Computer Support Forum

Program.exe is not a valid Win32 application

Question: Program.exe is not a valid Win32 application

My family computer is a desktop PC running Windows Vista with McAfee. I make sure to run all updates ASAP. My updates are current through yesterday. When I tried to update my computer this morning, the updates failed with an unknown error. "Error(s) found: code 80070103 Windows Update encountered an unknown error"

This morning, I turned on the computer to find that McAfee has been disabled, Windows Defender has been disabled, and that I cannot turn them back on. Additionally, I cannot run any programs. Invariably, I get the response "program.exe is not a valid Win32 application" regardless of whether I run the program from the C drive or a USB.

Neither Internet Explorer nor Firefox are working; I can only access the internet by opening windows explorer and typing an address into the address bar in that window.

I have tried running McAfee in safe mode, but get the same message. I tried the "repair computer" function when I boot the computer, but it insists that I have another drive attached (though I have unplugged the camera, flash drvie, external hard drive)... There is nothing attached (except for the keyboard and mouse). I have tried restoring my computer to a previous restore point only to be told by the computer that there are no restore points.

I started Googling and thought that it may be the Bagle virus because of the "is not a valid Win32 application" but found none of the files listed on the Removing Bagle Infections page.

I looked at the thread titled ?x:\ is not a valid Win32 application? which led me to a dead link: .

I have read and followed the instructions on the READ AND RUN ME FIRST and Vista Cleaning Procedure threads, but to no avail. I could not download the files on the infected computer, and so I used my personal laptop to download the scans to a flash drive. I plugged the flash drive into the infected computer and tried to run each scan as instructed by the threads. I have no logs to attach as the scans could not run. I took the following notes:
Could not open McAfee to empty quarantine folder. ?c:\Windows\system32\rundlll32.exe is not a valid Win32 application?

Could not run CCleaner. ?F:\C Cleaner.exe is not a valid Win32 application?

Could not be sure Msconfig was set for normal startup. ?C:\Windows\system32\msconfig.exe is not a valid Win32 application?

Could not follow Step 4; link to ?Uninstall Malware via Add/Remove Programs? did not work

Could not download Root Repeal because ?The bandwidth or page view limit for this site has been exceeded and the page Could not be viewed at this time. Once the site is below the limit, it will once again begin serving as normal.?

Could not install/ run SUPERAntiSpyware. ?F:\SUPERAntiSpyware.exe is not a valid Win32 application?

Could not install Malware Bytes. ?F:\mb.exe is not a valid Win32 application?

Could not run/ install ComboFix. ?C:\Users\Onixill\Desktop\ComboFix.exe is not a valid Win32 application? and ?F:\ComboFix.exe is not a valid Win32 application?

Could not run/ install MGtools. ?C:\MGtools.exe is not a valid Win32 application?

To get a better idea of what I?m dealing with, I ran Kaspersky?s online scanner. It found the following threats:

(My apologies for not attaching a log; the report was made on the infected computer and my [limited] experience workign with computers has taught me not to pull something off of an infected computer to put onto a clean one)

File- C:\Program Files\2wire\sst\VNC\MotVNC.exe
Name- ?not-a-virus:RemoteAdmin.Win32.WinVNC-based.b?
There are 2 reported objects infected by this virus.

File: C:\Program Files\Windows Antivirus Pro\Windows Antivirus Pro.exe
Name: ?not-a-virus:Fraud
There is 1 object reported infected by this one.

File: C:\ProgramData\19195324\19195324.exe
Name: ?Packed.Win32.Krap.r?
There is 1 object reported as infected by it.

File: C:\Users\All Users\19195324\19195324.exe
Name: ?Packed.Win32.Krap.r?
There is 1 object reported as infected by it.

File: C:\Users\Onixill\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1ITK5PR2\Setup[1].exe
Name: Trojan-Downloader.Win32.FraudLoad.wmxc
There is 1 object reported as infected by it.
I hope that I have been thorough enough. Any help would be greatly appreciated! Thank you.

Relevance 100%
Preferred Solution: Program.exe is not a valid Win32 application

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link (This link will automatically start a download of Reimage that you can save to your computer.)

Answer: Program.exe is not a valid Win32 application

Hello, Psychedea

Step 1:
Let's see if one of these online scanners can remove enough for you to then run our tools.

Using BitDefender Online Scan

TrendMicro HouseCall

Step 2:
Make sure that you transfer the tools to the instructed directories given in the R & R Me FIRST
Both SAS & MBAM should be saved to C:\Downloads.. then installed to C:\Program Files
Once installed, open each application and update their definitions databases before running a "Quick scan".

Step 3:
Then re-name MGTools.exe to and see if it will run.

Step 4:
Attach these logs to your reply -
TM Housecall results

Make sure you tell me if you had any problems running this procedure and give a description of how things are working now!


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I'm troubleshooting a Windows XP (SP2) eMachine (with a fresh OS install on a new hard drive - no original eMachine software remains on the system) and I've never encountered such a persistent problem: certain applications (Fruit Loops, Adobe Acrobat Reader, among others) run fine after installation, but after a reboot they will not run. Their shortcuts, as well as the actual program executables, lose their original icons and are mysteriously changed to the generic window icon (the one Windows will use for a file type is doesn't recognize.) When I try to run these programs, using the desktop shortcut OR the actual executable, I get the error dialog box: "This program is not a valid Win32 application." This happens to several applications, while others (Pro Tools, Acid) remain unaffected and can be executed w/o any problem.
*Note: this computer is not connected to the Internet, so it is unlikely that this is some type of virus.

What could be causing this? Any suggestions are greatly appreciated.

Answer:program not a valid Win32 application

Some how your files are getting corrupted and with out being there to see what is going on I don't know how to help you Sorry

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Im running windows XP and i just recently got this problem.

when ever i goto open something on my desktop I get an error saying exploror is not a valid win32 application or c://program files/blah.exe is not a valid win32 application

bascilly i cannot open any programs besides the internet.


Answer:program.exe is not a valid win32 application error

Have you run an up to date virus checker? I ask because the SirCam virus can modify the .exe file association in the registry.

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Hi I have been having problems lately with System Restore, Magnify, and WordPad (the only ones i have noticed so far) that when I start them they give me an error stating they're "not valid win32 application(s)". I was able to fix my system restore by opening command and doing a 'SFC /SCANNOW' scan. I was wondering if there is anythig else I can type in command to hopefully fix the other two programs? Or are there any other solutions to this problem?

Answer:'program.exe' is not a valid win32 application error

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Hi experts,
I have a serious problem with my friends computer, so bad in fact that I cannot run hijack this without getting the error hijackthis.exe is not a valid win32 application, even my search engines are hikacked so I can't search for any help or answers. Can someone help to at least get hijack this running.


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Please help if you can!After my son used my computer I noticed two problems which scare me and indicate (I think) a virus problem. First: after typing a Google query, I click onto the desired link and find myself redirected to other search engines which also performed the same search I had just requested from Google.Second: I downloaded the free Ad-awareAE program onto my desktop, but when I clicked on the icon to install it, i got the message "AD-Aware.exe is not a valid Win32 application"Based on some internet searches I made, it seems these are symptoms of virus activity and I am petrified to do any online banking. I was able to download Avest Antivirus and found 4 trojan viruses on my pc. It eliminated them but the two problems still persist. Please help! Thank you, thank you, thank you!{EDIT Moved from XP to Am I Infected~~~boopme}

Answer:"program.exe is not a valid Win32 application" & google search hijack

Please download Malwarebytes Anti-Malware and save it to your desktop.alternate download link 1alternate download link 2MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.Make sure you are connected to the Internet.Double-click on mbam-setup.exe to install the application.When the installation begins, follow the prompts and do not make any changes to default settings.When installation has finished, make sure you leave both of these checked:Update Malwarebytes' Anti-MalwareLaunch Malwarebytes' Anti-MalwareThen click Finish.MBAM will automatically start and you will be asked to update the program before performing a scan.If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.On the Scanner tab:Make sure the "Perform Quick Scan" option is selected.Then click on the Scan button.If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.When the scan is finished, a message box will say "The... Read more

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i was downloading a update for my nero burning rom and when it finished it i rebooted and then i started get this message what did i do?

Answer:c program files ahead nero.exe not a valid win32 application

did the update install???

Best bet would be to uninstall nero using add remove programs and then reinstall

1 more replies
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i was downloading a update for my nero burning rom and when it finished it i rebooted and then i started get this message what did i do?

Answer:c program files ahead nero.exe not a valid win32 application

closing duplicate, see this thread

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I need to install eclipse classic by Monday. I installed it about a month ago with no problems but didnt use it for a while.

On Friday I clicked on its icon and it wasnt working, I wish id taken note of what it said but I think it was something to do with not being able to access a file.

Its probably worth mentioning that you cant actually uninstall eclipse. Theres no uninstall option so you have to search for eclipse and then just delete all the files you get.

I downloaded it from the website( again. It comes in a zip file. I unzipped it and I was pretty sure that it looked different already. The eclipse.exe file had the eclipse icon as its image the first time I tried to install it (or atleast im pretty sure it did) and now its that white square with a blue frame thing (looks kinda like a 2D oven). I click on it. It asks me if I want to extract all or run. I have taken both options and they both lead to the same conclusion; a message saying "blah/blah/blah/elipse.exe" is not a valid win32 application.

I have tried to deal with it in the following ways:
I downloaded the windows 64 bit version. This led to the same result.
I searched for eclipse and deleted everything that came up. Then I downloaded it again and repeated the process. This led to the same result.
I scanned for virusess with spybot, norton and avast and got none.
I defragmented the disk on the advice of the internet.
I found this page Read more

Answer:elipse.exe is not a valid win32 application. WIN32 is a CUTN(quite urgent).

oh ya I should also mention that I have no problem running other files. In particular I have no problems with executable files that Ive downloaded from the internet

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OK, this is admittedly a strange one...

I have used an old (probably a 16-bit) application as my time synchronizer this I've used for quite some time. Its name is TimeRC, and is a great synchronizer as it tracks moon phases along with the time (from selectable, multiple potential time servers). After a fatal software crash a couple of weeks ago, I'm in the process of recovery. Attempts to manually launch the EXE, result in a launch-time error stating that the ap is not compatible with my Windows 7 Pro (SP1). Note that I'm running on the same level of Windows that I was using prior to the crash/re-install. I have inhibited compatibility checking (Group Policy adjustment) only to incur the Win32 error.

I've been through the litany of utilities (registry) to correct this situation, and I KNOW that this ap runs just fine on Windows 7 (from pre-crash days). I am at my wits end trying to avoid this situation. I suspect that there is a registry setting difference (now versus pre-crash) about which I'm ignorant, so I'm open to any, and all suggestions.

To use an alternative time synchronizer is not an option...I'm anal about how my system looks, feels, and performs!! I've even tried running in XP mode (virtual machine) to no palatable result. Note that I don't have access to the program's source code, otherwise I could recompile!

There's got to be something that I'm missing.

Color me frustrated,
Randy Reist (Lairbear)

Answer:Avoiding '<application name> is not a valid Win32 application' error.

Have you just tried removing the program and install again.

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I have just recently run into a serious problem with my web browser. I have been unable to download anything of value due to some sort of corruption. I tried to download the free version of Firefox Mozilla and at the end of the download when I tried to run the installation wizard I got the message sys exe is not a valid win 32 application. I then tried download the application to a cd and install it from the disc and I got the message "file is corrupt". I assume that something is wrong with my IE 8 because just before Christmas the laptop started to slow down drastically, and an automatic update for my Norton Internet Security 2006 was unable to download on the first try, and when I was prompted to restart and try again the entire program just disappeared. As a matter of fact, in the dialogue box of any download everything is listed as taking up to as long as 23 hours. Do I have a virus or is there something else sinister going on here?

Answer:sys exe not a valid win32 application

sys.exe is malware. Your computer is most likely infected. Therefore, please click on the Report button and kindly ask to be moved to the Malware Removal forum.

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Hey guys,

Im completly new to this whole thing so i appologise if my question seems a bit dumb!!!

Basically I was having problems with my laptop connecting to networks so took it to a shop to get sorted. The guy there re-installed windows and all was good. Untill now when i am trying to download and install all the programs I lost.

Just tried to do utorrent and when I tried to open the file to install it it comes up saying that it is not a valid win32 application. Googling this it seems that it could be some kind of worm??

Dont really know what to try next? While I was looking for a solution my laptop froze twice and just had to turn it off so dunno if thats part of this prob or not.

Any advice would be appreciated.


Answer:Not a valid win32 application

Hello and welcome to TSF

We want all our members to perform the steps outlined in the link I'll give you below, before posting for assistance. There's a sticky at the top of this forum, and a

Having problems with spyware and pop-ups? First Steps

link at the top of each page.


Please follow our pre-posting process outlined here:

After running through all the steps, you shall have a proper set of logs. Please post them in a new topic, as this one shall be closed.

If you have trouble with one of the steps, simply move on to the next one, and make note of it in your reply.

Please start a new thread in our Virus/Trojan/Spyware forum along with the required logs

Please note that the Virus/Trojan/Spyware Help forum is extremely busy, and it may take a while to receive a reply.

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I have just upgraded and put an Abit Fatal1ty AN8-SLi in my rig. I have tried to put the drivers on from the disk but whenever I try to open them an error pops up which says "G:\.........exe is not a valid Win32 application". I then tried loading files from other disks and the same error pops up.
Any Ideas?

Answer:Not A Valid Win32 Application

Hi, welcome to bleeps
this one interests me
remember I am working blind so bare with me
- what stage in the process are you at
- have you yet to reinstall the os
- some more details plz

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fsx.exe is not a valid Win32 applicationI have just installed 'Flight Simulator X Deluxe edition' Using a Windows XP laptop. Because of its size (15 GB) I changed the 'installation' folder to one on an external hard drive. All was fine when I ran the simulator from the installation wizard, but when I tried to open it later I got the error message 'fsx.exe is not a valid Win32 application'. Can anyone please help?

Answer:fsx.exe is not a valid Win32 application

Sometimes a simple search turns up the most interesting information:not a valid Win32 applicationGood luck. 

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AVG anti virus.After download it says avg6459fu_free.exe is not a valid Win32 application and it closes. what exactly causes this?Help! I was removing Norton at the same time and have no virus protection]
XP Home 2004

Answer:HELP! not a valid Win32 application

Sounds like you got a corrupted installer, delete it, and download another.

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Hi there,

I am having a major problem with my computer. I guess I did have a virus somewhere in my system, but thanks to your board postings I took care of it. Many of my programs are running fine, but some are not. When I click on a particular program, it tells me ?blah blah.exe is not a valid win32 application?. I really need to run that program and for two days I am trying to resolve the issue, but seem to make it worse. You are my last help before I seriously damage this machine. Any help is greatly appreciated.


Answer:.exe not a valid win32 application

what application is it? what OS are you using?

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Tech Support Guy System Info Utility version
OS Version: Microsoft Windows XP Professional, Service Pack 2, 32 bit
Processor: Intel(R) Pentium(R) M processor 1500MHz, x86 Family 6 Model 9 Stepping 5
Processor Count: 1
RAM: 511 Mb
Graphics Card: MOBILITY RADEON 9200, 64 Mb
Hard Drives: C: Total - 38146 MB, Free - 19704 MB;
Motherboard: COMPAL, 0860
Antivirus: avast! Antivirus, Updated: Yes, On-Demand Scanner: Enabled

The error message '.exe is not a valid win32 application' keeps popping up when ever I try to run a download for example like itunes or when I try to download windows components. I do not have any service packs or compression clients as it won't allow me either. I have recently had it's hard drive wiped due to hard drive corruption. I think it may be that I may have missing components but I am not sure which.

Answer:.exe is not a valid win32 application

After you do a clean install of Windows XP Professional SP2 and then restart the computer, you need to install the SP3 upgrade and then restart the computer again.

After that's done, go to Windows Update and do a scan. There will over 100 post-SP3 high priority updates waiting to be installed.

Your goal is to get Windows XP completely up-to-date and install any necessary device drivers BEFORE you start installing a bunch of programs and extras in that computer.


That computer appears to be a very old HP/Compaq laptop with an Intel Pentium M 1.50 GHz processor and 512 MB of RAM.

Don't expect it to be fast and snappy.


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Recently installed DVD drive. It will play and upload audio CD's and play DVD video's ok but got error message when I tried
to install a new Microsoft Excel 2010 program dvd I have bought from a shop (i.e authentic original not a copy !)
No idea what to do - anyone help ?

Tech Support Guy System Info Utility version
OS Version: Microsoft Windows XP Home Edition, Service Pack 3, 32 bit
Processor: AMD Athlon(tm) XP 2600+, x86 Family 6 Model 8 Stepping 1
Processor Count: 1
RAM: 1023 Mb
Graphics Card: NVIDIA GeForce4 MX 440 with AGP8X (Microsoft Corporation), 64 Mb
Hard Drives: C: Total - 194466 MB, Free - 163310 MB;
Antivirus: ESET NOD32 Antivirus 4.0, Updated: Yes, On-Demand Scanner: Enabled

Answer:D;\ is not a valid Win32 application

what is the exact error?

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Hi all, i have 939dual-sata2 motherboard with 320g sata2 hdd, 2 dvd roms, and 3700 athlon 64. I can get the dvds to accept setup.exe files. It throws above error. When I go into safe mode--it works good. Any ideas?

Answer:not a valid win32 application

Is your OS Microsoft Windows XP 64-Bit Edition and maybe you're attempting to install a 16-bit program?

When you attempt to install a program on a computer that runs Windows XP for 64-bit platforms, you may not be able to do so, and you may receive one of the following error messages:

Install.exe is not a valid win32 application.

Setup.exe is not a valid win32 application.

This behavior can occur if the program you are trying to install uses a 16-bit Install.exe or Setup.exe file. By design, Windows XP for 64-bit platforms does not support 16-bit programs.

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 :exclamationI can't seem to install anything from the internet.I use iTunes and was prompted to install version 7 so I click the link and try to install then it says that the file is not a valid Win32 application.I have had no previous trouble installing programs from the internet but now everything I try does not work. Not just iTunes, any program I download and then try to install does not install.I read other places and it suggests that I try and registry cleaner but this has not helped at all.Could anyone please advise me what to do. Other PCs in my house have no problem installing from the internet why can't my PC do the same?!!!Help!!!

Answer:Not a valid Win32 application

You know, the same darned thing happened to me, only it was a .95 GB file. Not my idea of fun. I feel your pain. Just to be absolutely sure, this download won't work? ComputerHope records say that the download may be corrupted during the transfer. If this is happening all the time, and only on your PC, there may be a problem at your end.How do you connect to the internet? (Router, just a modem, etc.)Do you have dial-up, DSL, or cable?It seems like the connection is getting interrupted somewhere.

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How r ya?

My friends laptop seems to be having problems running certain applications. While trying to read from cd's you get the "Not a valid win32 application" This comes up when trying to install a game or whatever it may be, .exe files from memory are the problem I thought it was a virus but he doesnt have an internet connection so I think thats ruled out.
He has windows XP home, and its a compaq laptop, under a year old. Is there a simple soloution or will I reinstall Xp for him?

Thanks very much for your time

Answer:Not a valid win32 application (Help Please)

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I downloaded from click herethe Trial Version of the game Halo, size was 131MB but I received 104MB and when I tried to install it I am told that 'this is not a valid win32 application'.I tried to get Microsoft support but it is impossible. What do you think has happened?

Answer:not valid win32 application

are u using a download helper if so turn it of and download in the windows downloader

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Hi, I'm just new to these forums and am having some terrible problems with my computer, so please bear with me and give me some support

Upon downloading an application I found that when I click on the download and select "Run" I get the message "XXX.exe is not a valid Win32 Application" XXX of course being the name of my download, not an actual file name. My antivirus is also somehow missing. This of course also means that I can't download a new antivirus or any program to attempt to fix my computer, so I may have to rely on a completely manual method of repair.

I have also found that when I save an image its download size is 0kb, another major problem =/

Please give me some advice about how to rectify this problem, preferrably one that does not involve resetting to factory defaults as I have misplaced the recovery disks.
Thanks in advance =D

Some information about my computer:
OS: Windows Vista Home Premium
Model: Toshiba Equium A210
Processor:AMD Turion 64 X2 Mobile Technology TL-60 (2CPU), ~2.0GHz
Memory: 1918mb RAM

Answer:XXX.exe is not a valid Win32 Application

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My dvd/cd player on my laptop just went out,so I bought an external cd-rw for the usb 2.0. everything seems to work fine. It plugged and played like it should and it is listed on my computer as e: drive. I need to install windnows xp pro on this laptop. It has 512 mb ram,which is too slow for vista.When I go to my computer to open e drive, it says e;\ is not a valid windows32 application. What is going on?? This is frustrating!! I also tried rebooting with the cd rom as the first bootable device and it just goes straight to vista bootup like usual.. Help!!!

Answer:E;\ is not a valid win32 application

It sounds like the XP CD may be bad. Also, unless dual-boot, Vista must be removed first before installing XP.

Uninstalling Vista -->

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Hi guys,

I'm in need of some serious help, my computer is acting extremely weird when opening .exe files which it has never done before. Whenever I try to open ANY exe file I've downloaded it tells me the application is not a valid win32 application. Which I don't understand. I've done a virus scan and it found some Trojans and viruses, and I deleted and disinfected and rebooted the computer. I also went into CMD and did a scan that fixed something within the system files after doing a little bit of research on it. It rebooted but still nothing. It gives me the same annoying error. I tried downloading Malwarebytes Anti-Malware but it also gives me the same error as with other setup and exe files. Right now I'm stuck with Microsoft Windows Defender in scanning. I tried downloading from Internet Explorer to see if it was from Google Chrome and still no luck as well. I feel like I'm stuck in a very deep technical error hole. Any help would be greatly appreciated. Thanks for the help.


There might be some viruses left, because the scan did not finish due to the monitor not responding, so I had to shutdown and reboot. But I'll try again and wipe out any more I find if any. not a valid win32 Application....

the viruses screwed up your file associations from the sound of it.
Go to the below linked tutorial and use it to ensure you exe file settings are correct.
Default File Type Associations - Restore
(just scroll down to exe)
it does sound like you've done a decent job of removing the malware, so hopefully all you need to do is fix the association.

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Hi, whenever i go and install a program it says: win32 is not a valid application, is there any way to fix this without re-installing windows?Thanks

Answer:win32 not valid application

Take a look at this...Not a valid Win32 application

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I am hoping someone can help me with this issue.
I have downloaded some games from for my son.  I save the .exe files to my desktop.  When I try to run the installation files, I get this error:
C:\Users\GINA'S~1\AppData\Local\Temp\APNStub.exe is not a valid Win32 application.
When I click OK, this error pops up:
Could not execute the external program C:\Users\GINA'S~1\AppData\Local\Temp\APNStub.exe.
I have HughesNet as an internet provider.  Due to the limited daily usage, I initially used the HughesNet Download Manager and IE8 to download the files.  Since I got these errors when running the installation, I deleted the files.
I get my Shockwave membership through my internet provider.  I am can only access the site through my internet provider's main customer page.  While in this framed page, I downloaded the files with IE8 again, but I chose to download from the browser instead of scheduling it with the manager.  I still received the errors when I ran the files, so I deleted them.
I completely turned off the Download Manager so it would automatically download from IE8 without even trying to go through the manager options.  I still received the errors, I deleted them.
I even tried downloading them from a different browser.  I used Safari since it is the only other one I have downloaded on this computer.  I still received the errors.
I never had this problem... Read more

Answer:Not a valid Win32 application

Hello, these are the usual 4 reasons for that message.1.File is corrupt, bad, or missing.2.File is not designed for your version of Windows.3.File is a virus, worm, or other malware file.4.Hardware incompatibility.I suspect #4 as you tried some things.So I moved you from Windows 7 to the Am I Infected forum to check.Please download MiniToolBox, save it to your desktop and run it.Checkmark the following checkboxes:Flush DNSReport IE Proxy SettingsReset IE Proxy SettingsReport FF Proxy SettingsReset FF Proxy SettingsList content of HostsList IP configurationList Winsock EntriesList last 10 Event Viewer logList Installed ProgramsList Users, Partitions and Memory size.Click Go and post the result (Result.txt). A copy of Result.txt will be saved in the same directory the tool is run.Note: When using "Reset FF Proxy Settings" option Firefox should be closed.Please Download TDSSkiller Launch it.Click on change parameters-Select TDLFS file systemClick on "Scan".Please post the LOG report(log file should be in your C drive)Do not change the default options on scan results.Please download AdwCleaner by Xplode onto your desktop.•Close all open programs and internet browsers.•Double click on adwcleaner.exe to run the tool.•Click on Delete.•Confirm each time with Ok.•You will be prompted to restart your computer. A text file will open after the restart.•Please post the contents of that logfile with your next reply.•You can find the logfile at C:\A... Read more

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WinXP Pro laptop boots and runs OK in Safe mode, but in normal boot there are no desktop icons or Start menu present. Using Task Manager to start explorer.exe results in error message "explorer.exe is not a valid Win32 application" however trying to start any other application results in same message.

Machine scans clean with (installed) Avast, PrevX CSI and Trend Micro online scanner. Have run combofix.

Repair install with SP2 and with SP3 CDs did not improve.

sfc /scannow won't run in safe mode ( "RPC not available" ) and in normal mode generates above error.

Bit stuck what to do next ?

Answer:*.exe is not a valid Win32 application

Hi Phil ,let's do this first Since you have a desktop without icons, first of all, do below Open Task Manager (Ctrl + Alt + Del) and go to File >> New Task (Run...) >> type explorer.exe >> EnterThen, do a search for your explorer.exe via your search function..You may find the copy of explorer.exe via either of below locations..C:\WINDOWS\ServicePackFiles\i386\explorer.exeC:\WINDOWS\system32\dllcache\explorer.exeJust choose either one of them and copy/paste it to C:\WINDOWS folder

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I really need help.

I seem to have become infected with some kind of virus that is slowing the system right down and has blocked pretty much all of my anti-virus and malware software.
If I try and run these programs I get the message "xxx.exe is not a valid win32 application".

I read the "this topic" above and followed everything, however

> dss.exe didn't seem to run correctly, it gave me the ".. I will inform you when I am finished" message, I clicked ok and it was gone
and then after a few seconds the system froze, including mouse. This released after a few seconds and nothing else happened. I tried
a few times.

> I scanned my computer with the Kaspersky Online Scanner. It told me that the scan was fine. I have posted the report below.

If anyone can offer any help it would be really appreciated.


Thursday, May 22, 2008 4:16:15 PM
Operating System: Microsoft Windows XP Professional, Service Pack 2 (Build 2600)
Kaspersky Online Scanner version:
Kaspersky Anti-Virus database last update: 22/05/2008
Kaspersky Anti-Virus database records: 792525
Scan Settings
Scan using the following antivirus database extended
Scan Archives true
Scan Mail Bases true
Scan Target Critical Areas
Scan Statistics
Total number of scanned objects 36104
Number of viruses found 0
Number of infected objects 0
Number of suspicious objects 0
Duration of th... Read more

Answer:Xxx.exe Is Not A Valid Win32 Application

In addition, I can not turn on a firewall as I get the same message when opening SYGATE, and Windows Firewall has a problem and can't open.

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My machine locks up when the screensaver goes on (it's an old one with the two animated guys from Guinness, who go "Drink beer straight from the bottle?! BRILLIANT!" - the screensaver, not the computer). So I restarted it. I've had to do this a few times over the past few days. So today I tried to open Firefox, and it didn't work. I tried to open anything, GOMplayer, Winamp, none of the shortcuts would work, they all came back with an error message saying they're not valid Win32 applications. I tried typing in Firefox.exe into the Run prompt on Task Manager, but that had the same result. Finally, I typed a URL into the run prompt, and it brought up Firefox. I downloaded Avira, but when I tried to install it, the error message popped up that it's not a valid Win32 application.

Interestingly enough, I the path to a JPEG saved on my computer into the Task Manager just like I did with the URL, and it opened right up in Windows Picture And Fax Viewer. Video files bring up WinAmp, and spreadsheets bring up Excel, and yes, these I have all these set as the default programs for these types of files. So programs themselves will run, but I can't start them myself, for some reason. How can I fix this?

Answer:Nothing will run, nothing's a valid Win32 application.

Try a System Restore.

Whether that fixes it or not, read the following and post anew in the Spyware section; to get cleaned out.

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After downloading the wlm 2011 from internet, when i run it from my computer it shows error "Not A Valid Win32 Application" how can i resolve this problem

Answer:Not A Valid Win32 Application

The 2011 version only works on Vista & Windows 7 - you need to google for the XP version (if you already have that, you can't upgrade to 2011 on xp).

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Have suddently got this message when trying to open up any picture from "my pictures". Any idea what causes it, and how it can be fixed. I know that yesterday I was able to double click on a pic in any of my folders in "my documents" and it would open up in my PSP programme, and now getting this "is not a valid win32 application" message.Any help greatly appreciated :)

Answer:"Is not a valid Win32 Application" - Help!

Did you download any updates just before the problem started to occur?If so download again and reinstall.

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Answer:.exe is not a valid win32 application

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This is what happens when a friend attempts to install Corel v.12 from the original CD.
If he places Disk 1 in the drive it shows a Corel logo and then spends ages with the "spinner" before showing the title error message - E:\ is not a valid Win32 application.
He must be doing something wrong!
I would guess that he is doing something like a double click before the software has had a chance to spin-up by itself.
Any idea much appreciated.

Answer:E:\ is not a valid Win32 application

Site thinks that a link that I was going to post is spam! Basically it's an installation problem caused by a registry error or malware (unlikely from a CD) or a conflict with something else that is running. Try installing without anti-virus on.

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Hi, recently when i try to run a setup file eg: msantispy/firefox and others,i get the message " not a valid win32 application "anyone know how to stop this happening,my system is clean,i use all the usual proggys mentioned often within this forum.My AVG is up to date as are my spyware definitions. Also my msantispyware is playing up with messages stating that various dll's aint unregistering and gives error number 1905. i think that the problems are connected.

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Hi all, I have a Pentium IV 524 (3.06 GHz 1M L2 533FSB) NEC Powermate ML7 Q8200; with XP Home Edition.

For a little while I have been getting the message " is not a valid win32 application" on start-up. You just have to ok that message and then it proceeds fairly normally. One thing it does do is overheat? i.e. it seems to be working extra hard (right from boot-up) and eventually seises up. To this end I installed a 1Gig RAM card the other day (it now has 1.5 Gig). That helped a bit but of course the message still comes up.

I googled the message and from this site learned that it is indicative of a virus. It instructed me to locate the file in the System 32 folder and delete it. I found 4 cmd type files in the folder. I right-click/Properties the 4 files: 3 seemed legitimate and had no mention of the dot-com. They were all 'Application' or 'application extension' type files with the description in black print. One seemed suspect; it was called cmd; type was MS DOS Application, print in blue, had a size of zero and right-click/properties showed -under program- that it had a cmd line: C:\WINDOWS\system32\ I thought that this must be it and so removed the file to the trash.

After that the computer functioned very slowly. The Windows Task Manager/Processes showed that the were only about 20 processes running instead of the usual 50 or so (approx). I tried rebooting it to no avail. So I reinstalled the cmd file from the tras... Read more is not a valid win32 application

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All of a sudden, i opened today my PC and neither Kapsersky nor Zonalarm loaded in start-up. I tried to run these two programs by myself but the same message pop-up: "zlclient.exe is not a valid Win32 appliction" and "avp.exe ...." I tried then some other programs to run, and everything is ok. BUT, every program that is related with viruses, spyware and so DOES NOT RUN!!! So, the same message (valid win32 application) poped up for Spybot S&D and Spyware doctor too! Is it accidentaly that these programs do not run? I don't think so.... I start-up with win98(2nd boot) and run kaspersky from there. It did not find anything. Also, i searched for mysterious loads from msconfig and other start-ups or loads....and found nothing. i have never seen something like that. The classical problems are usually handled the ways i tried, but what is this? It's something that disarms all the defenses i have got (anti-virus or anti-spyware programs). All the protection is out of function!

And guess what...Safe mode is off the game: As soon as it loads the .sys files it restarts by itself!
System restore does nothing at all. It works, but identifies says that nothing has changed.

Oh, and hijackthis also faces the same problem (not valid win32 appl.)!!!

I want to add something i noticed today: The mem-optimizer is also not loading. So, i reach the conclusion that the spyware is sur... Read more

Answer:*.exe is not a valid win32 application


Download Combofix from any of the links below, but you must rename it before you download it. Save it to your desktop.

Link 1
Link 2
Link 3


Double click on Combo-Fix.exe & follow the prompts. When finished, it will produce a report for you.
Please post the C:\ComboFix.txt along with a HijackThis log so we can continue cleaning the system.

Do not mouseclick combofix's window while it's running. That may cause it to stall

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Hi Friends...                    I M keshav From jaipur,Rajasthan(India), doing Computer Engg. I have a keen Intrest to gain More Knowledge abt Computers...and when i Find This site......I Like it too much...This site is really Awesome.... ...Fabulus.. :-*i have no Words 2 Praise this site....Truly...Now Here is MY  Problem....Plz Give me the Correct n Easy To understand...solution:-I installed XP SP-2 on My PC,My PC has Mercury Motherborad,SATA 80GB HDD,CeleronD 2.53GHz.....after  it i insert Original Motherborad CD to Install...Via N Realtek and other applications.But there is a danger  problem ,any .exe File is not opened even unable to klik takes too much time ...and whenever it clicked...a msg appear"Not A Valid Win32 Apllication" i try again and again but......................,this is really a very disguisting problem...i cant listen any songs ...bcoz sound and volume controller is not there....Plzzzzzzzzzzzzzzzzzzzzzzzz help me...Plz solve out my problem....Plz Reply Me......Thanx .

Answer:Not a Valid Win32 Application....

Welcome to the CH forums.Please read this.

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Hi .I have downloaded the latest version of MSN Messenger but when I try to install it I just get this message: install_msn_messenger_DL.exe is not a valid Win32 application.I have XPpro with SP2 installed.Can anyone please advise?regards

Answer:msn Not a valid win32 application

kat64,what site did you download it from.Dl.exe is a herethe right program is here

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What does this not a vaild Win32 application?? When I try to open a file after downloading, such as BearShare, or iTunes...that error box comes up! HELP ME! PLEASE!

Answer:Not Valid Win32 Application??

Have a look at this:

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Okay, so here it goes. I recently installed my new motherboard (Intel D945GTP), new memory (1 gig DDR2), and a new video card (GeForce 6600 OC 512MB).

I have everything else working fine on my computer (had an issue with drivers before), except my DVD-ROM. I'm using an LG HL-DT-ST 4521B 52X DVD-ROM. Every time it tries to autorun any CD, it says D:\ is not a valid Win32 application. I've tried a number of CDs, none work. I've also used 2 other DVD-Rom drives, and I get the same reaction from them. One is a Sony, and the other is a LiteOn. I've also played around with the jumper settings on all of them, to no avail.

I can explore any CD, and I see the files that are on the disc. When I try to run any executable, I get this error: "D:\setup.exe Only part of a ReadProcessMemory or WriteProcessMemory request was completed."

I have googled this a number of times, and still have found no action or workaround that works for me. I've tried copying the files from the D: to my hard drive. Some files will copy, some won't. Particularly executable files won't.

To the best of my knowledge, I have the most current drivers available for all my hardware. If anyone knows ANY reason why this may be happening, I would be forever in your debt.

Thanks in advance,

Answer:D:\ is not a valid Win32 application

Woot. I fixed it. So this is for all those out there who are lucky enough to come across this forum page looking for this answer. Change your cable. That's right. Just change the little cable that connects the ROM to the motherboard. Simple as that.

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This seems to be a Microsoft problem that has been around for years, according to all the info I've found with Google, but none of them explains or solves the problem I've got.

The machine (owned by a friend) is running Vista (Home Premium) and the problem is initially with Word 2000. I've been looking round this machine with the following results.

Double clicking on ANY .doc file gives the error message saying that it is not a valid Win32 application. Well, of course, it isn't; it's a word document file.

The file associations all look OK (and I've been through all attempts of 'Open With...') and using assoc gives .doc=Word.Document.8 and ftype gives word.document.8="c:\Program Fi.....\WINWORD.EXE" /n (there's no /dde which I have seen mentioned elsewhere - is that relevant?). Even the .doc file is showng with the Word icon.

I've done a repair install on Off.2000 with no change and I've uninstalled it and reinstalled it from scratch - still no change.

I CAN open the file normally from with Word and I can open it by dragging it and dropping it on a shortcut to Word, I just can't get it to obey the file association.

Excel 2000 shows the same behaviour with .xls files and so does Word with .dot files.

Other associated files opening other programs seem to work OK (.jpg, .pdf, etc).

Everything was working fine a week ago and there hasn't been any Microsoft update during that period.

Just as an extr... Read more

Answer:.doc is not a valid Win32 application

I had similar problems with .doc files after running Vista for the first time.
The fact was that the files were on a networkdrive which I use with my family, (Windows XP and Windows 98).
I first copied the file to my local HDD and then it opened and I saved it back and it worked.
Reason? MS for sure, but no solution.
Now I am still running W7 RC1 (full version still waiting to be installed) and no more problems even with older files.
I hope this helps something, I don't have aclue to the reason it happens but ....

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Last night i empowered the System Recovery manager and did a system restore, the reason why i did it was because i wanted to delete
a substantial ammount of audio files that i didnt need and more.

Pretty much i just wanted to start new, with out downloading anymore music onto my computer.
after the system restore was done i installed numerous updates
for my computer.

NOW.... heres where my problem comes..

before i used the system recovery manager to do a system restore
i had Pro tools le installed in my computer, it was working perfectly fine..

after i did the system restore, i thought everything was going to be new.. sadly no.

i slipped in the software cd to install pro tools.

a window pops up, witch is the softwares main page

i click install pro tools LE

i would really appreciate it some help on how to fix this problem..
please, please, list any helpful information on how to fix this issue im having

thank you, bryan. not a valid win32 application?

HELP.jpg picture by bryan305 - Photobucket

this is what pops up

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I have read many replys to this problem and none has corrected. mine.
When I click on a .doc file corel word perfect 8 will not open the file and I get the error message stated. If i go to corel wp8,open it and then open the file it opens it ok.
The Icon next to the .doc file is not the wp8 Pen icon. It is a tablet.
I have gone to windows explore. tools, and fplder options ,file types and the wp8 pen icon is shown for .doc files. i have reinstalled wp8. I have used open with and selected wp8 and always get the error message stated.
Please give me an idea????

Answer:.doc is not valid win32 application

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Uh, ok so I recently installed Ubuntu on a second Hard disk, and found I was running out of space rapidly, so I went and got my old laptop that threatened to blow up whenever I turned it on, took the HDD out of there and bought an adaptor so I could connect it via USB. a few weeks after I was doing a clean out of my windows drive and accidentally deleted some important files, like NTDLR. Eventually I find my install CD and copy NTDLR from that. before this only one program or two would get the error, although I'm not sure seeing as I never really ran programs from that drive. this morning I tried installing World of Warcraft again, and got the dreaded error while running the installer:

E:\World of Warcraft install\InstallWoW.exe is not a valid Win32 application.

so after that, I used the latest install DVD for it, taking advantage of my USB connectivity by using my Dad's computer, seeing as mine is very old and has no DVD drive. (World of Warcraft is more of an extract rather than an install, it places no files in Windows or Common files or anywhere, really.) so it finished installing alright. Then I go and plug the drive back into my computer, try to run Launcher.exe and...

E:\World of Warcraft\Launcher.exe is not a valid Win32 application.

then when I try the direct run, the program the launcher turns to after it shows you a news screen, WoW.exe

E:\World of Warcraft\WoW.exe is not a valid Win32 application

I also get this error for any programs I try to run... Read more

Answer:Not a valid Win32 application? o.o

erm... bump :$

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When I download a program an click to install it a box pops up saying the download I am trying to install is not a valid Win32 application.

Answer:not a valid win32 application

john lame said:

not a valid Win32 applicationClick to expand...

Is an error code indicating either the file or the program you are attempting to run is missing or corrupt.


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my star wars battlefront 2 game has been working fine until earlier. I was getting an error in the game. SO i uninstalled and tried reinstalling, but when i mount the image nothing happens. So i double click the launchbf2.exe and i get this error. Well my whole system needed to be reloaded anyway, other problems, so i just reloaded a fresh windows. I still get that message on both the mounted image and the burnt DVD. Why does this happen and how do i fix it.

I did not install and uninstall anything new before this happened.

Answer:not a valid win32 application??????

I Get this error while try to burn an xp disc on xp sp2. so I boot back to my winxp sp1 partition, then I can burn it.

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I know just the very basics about computers, and don't understand what most forums are talking about. I have been searching for the fix to this problem for a while, but can't seem to figure anything out. First off my computer is a HP pavilion g6 and is only 3 months old. It's running windows 7 64 bit. I haven't had any problem with it whatsoever until today when I tried to get a excel document from online and when I tried to open the file it said "...not a valid Win32 application". I realized that this is happening with every Microsoft office program. I've already tried repairing Microsoft office which did nothing, and since then have seen many forums say use hijack this. I downloaded that and ran in, but it said I was denied write access to host files, and to edit the host file or run as administrator. Since the run as administrator option was not there I tried to edit the host file, however the line it said to delete was not in the host file. I have no idea what to do, any help would be much appreciated.

Answer:not a valid Win32 application

With the information you have provided I believe you will need help from the malware removal team. Please make sure that you read the information about getting started first.Then start a new thread HERE and include or required logs.Including a link to this thread will be helpful. Good luck and be patient. Help is on the way!

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When i try to install the skype i get the error message "setup.exe is not a valid win32 application."How to solve this?

Answer:not a valid win32 application

Download Free Skype again from here

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I have a file that comes up with the error msg 'not a valid win32 application' when I try opening it, I believe this means Im running a different OS to the one the file was written for, I have Windows ME, is there anything I can do to allow me to open this file? (its a .exe file by the way)

Answer:not a valid win32 application

mogwai, you are right. The message is telling you that the program was written for an older version of Windows, and will not work with your ME. Unless someone makes 16bit emulation software, the only other solution I can think of is to make your computer dual boot (both Windows ME and an earlier version of Windows).

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I recently bought a call of duty2 game and tried to install. Every time I try to open the setup exeucte I get an invalid win32 application message.

Answer:Win32 application not valid


Originally Posted by Gayres3206

I recently bought a call of duty2 game and tried to install. Every time I try to open the setup exeucte I get an invalid win32 application message.

Is this a Virus?

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Hi everyone, recently a Kaspersky AV false positive detected regedit.exe as a trojan and decided to quarantine it. I was able to recover it from quarantine and restore it, but since then I cannot merge ".reg" files with my registry. I get the message that *.reg (where * is the current file im trying to merge) is not a valid win32 application. Is there any way I can fix this? Or restore the original regedit.exe files as opposed to those recovered from quarantine?

Cheers, Matt

Answer:Not a valid win32 application?

You might want to do the Read/Run me, might not be a false positive...

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Hi everybody.I have came upon a slight problem.I have just recently fixed my brothers computer,and he now has a small problem.He plays a game called Freestyle Street Basketball.He told me he clicked on the game,and it started updating.Well,the update froze,so he went into the task manager and went under processes and ended the process on the update.(Update was running under admin.) Is there anything i can do besides reinstalling it? He told me it takes forever,and he would like to avoid that process. Btw. The program and its files have no viruses.Downloaded from a trusted source,and just checked with webroot.

Answer:Not a valid win32 application

It would be worth the wait to re-install it...then re-boot and grab the update.He can't play it now anyways so the lengyh of time it takes to re-install shouldn't matter anyways.

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after i save something so i can check it out later when i try to open it i keep getting this"not a valid win32 application". Help!!!

Answer:i keep getting "not a valid win32 application"

What sort of file is it meant to be? It will need the correct extension in order to open, so check how you are saving it.

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hello all, i have some nasty stuff going on with my laptop. I clean friends and co workers pc's and laptops all the time usually with combofix and adwcleaner. this one is on the wifes laptop and for the life of me i cant get rid of the mess. Ive ran combofix and it cleared out a few files. the problem is adwcleaner and other similar programs from bleepingcomputer. I get " ...exe is not a valid Win32 application "
Ive tried tdss killer and others with the same error message.

any help or guidance is greatly appreciated.
Thank you for any assistance


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Seagate Discwizard, MaxBlast, Etc.
Windows Vista Ultimate service pack 1 6001

Also if I leave my PC for 30 to 45 mins when I get back there are 50 or more
CALCULATOR Windows up and some times it may be Explorer Windows using Explorer 8.0.6001 18783

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I have just downloaded 2 .ISO files from my university's website so that I can use a program at home. I also had to download a batch file to combine the two. This was performed with no problem.
The instructions on the uni website say to mount the combined ISO on a virtual drive, or burn it to media.
I have mounted it on a virtual drive, but when I try to run the program, I get the above error message.

The strange thing is is that I can see inside the 'disc', so can navigate all the way through. I know I'm running 64 bit, but the ISO provides both 32 and 64 bit versions of the software, and both produce the same message (except with the path of the .exe file added on to the E:\ drive. )
I would like to get this software up and running in the next couple of days, but my computer is not letting me!

Any pointers would be greatly appreciated,
Many thanks,

Answer:E:\ is not a valid WIN32 application

Are you able to copy the software directly from the virtual disc onto a folder on your local drive and run it from there?

What program is this? There may be related issues that I can delve into material for that may pertain to this.

Also, if you want, you can do a Procmon log of the error. Run Procmon, then attempt to run the program, then when the error message is displayed click the Capture (magnifying glass) button on Procmon and then save it as a file (select "All Events" option) and zip it up and send it over. Also notify me of the name of the .exe so I can identify it in the log (since they can get pretty large).

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When I download a program an click to install it a box pops up saying the download I am trying to install is not a valid Win32 application. This is a new problem. I have not had any problems downloading in the past. I am running WXP SP3My PC INFO:Operating system----------------Windows XP Home Edition (5.01.2600 Service Pack 3)User privileges---------------AdministratorSystem======Motherboard-----------  SiS-650GXBIOS----)Phoenix - Award WorkstationBIOS v6.00PGCPU---              Intel(R) Pentium(R) 4 CPU 2.66GHz 2656 MHzMemory------512 MB (Bank0/1)512 MB (Bank2/3)Video card----------SiS 650/651/740/661FX/741/760 seriesSound card----------Unimodem Full-Duplex Audio DeviceDrive configuration===================SiS PCI IDE Controller----------------------      Driver: Silicon Integrated System 5.1.2600.5512Primary IDE Channel-------------------      Driver: (Standard IDE ATA/ATAPI controllers) 5.1.2600.5512    + WDC WD1600AAJB-00J3A0 (Master / UDMA Mode 6 / 149 GB)Secondary IDE Channel---------------------      Driver: (Standard IDE ATA/ATAPI controllers) 5.1.2600.5512    + JLMS XJ-HD166S (Master / UDMA Mode 2 / 0 MB)    + HL-DT-ST DVDRAM GSA-4040B (Slave / UDMA Mode 2 / 0 MB)SiS 7001 PCI to USB Open Host Controller----------------------------------------      Driver: Silicon Integrated Systems 5.1.2600.5512SiS 7001 PCI to USB Open Host Controller----... Read more

Answer:not a valid Win32 application

Just one program or all programs? Just downloads or any installation .exe or .msi?

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I'm trying to install my Sims 2 game and when i double click the sims 2 icon to install it it gives me this D:\ not a valid Win32 application. and i had to game installed about a year ago but reformated my comp and never tried installing it again until now and now it just gives me that message when i try to install it again and i dont know what to do, can anyone help?

I'm using Windows XP
2.60 GHz Intel celeron processor
80 GB
512 MB
(i dont know exactly what you would want me to list about the comp!)

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So....Im not quite sure how to get rid of the virus that is causing this not a valid win32 app since it wont allow me to open and antivirus programs.
Probably infected other computer I am working on unknowingly...I have tried CCleaner and superantispyware but get the same not a valid....
did scandefrag, nothing obviously wrong in the JHJT log...
I download everything from reputable sites.
I know I haad that invalid win32 thing before and then downloaded superantispy and did some tweaks of the command prompt and SASW found a worm.
The sucky thing is we both have dialup, so I am trying to avoid having to wait hours upon hours for stuff to download and then not work because of the win32thing.

Answer:Not A Valid Win32 Application


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When I boot my computer, I get this error message.

Anyway, I tried deleting it, then it bugged me that it was missing. Restored it, and still a problem. I tried a virus scan with my outdated Norton 2003, and nothing. Im scanning with Ad-aware at the moment as well. I believe it is located in the WRONG section and is pretending to be a windows critical file.... What can I do? Its also crashing my World Of Warcraft. (Really annoying)

-Thanks in advance , Bkizzl3

Answer:Not a valid Win32 application.

Hi Bkizzl3. . .

Welcome to the Tech Support Forum - XP Support!

I am having trouble with the link you provided for the error - I can get into Photobucket, but I am not directed to your photo. Please provide a new link or attach the photo to your next post.

Regards. . .


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Earlier today I tried to use IE7 and instead I got a pop-up stating that iexplore.exe is not a valid Win32 Application.

I restarted the computer (was trying to do a system restore since I had upgraded to Firefox 3 yesterday and the restore stopped responding). Anyway, I can now open the IE program but it states that it cannot display the webpage. If I click on diagnosis the problem all I get is error on the page.

I tried doing a search for the past couple of hours with no help. I found one site ( that had some things for fixing the problem - one being to fix the winsockxp but when I tried running the cmd > netsh winsock reset but then I get the this is not a valid Win32 Application. It also suggested going to the C:\Windows\System32\Drivers\Etc and opening the host files but when I tried to that that I get the same this is not a valid Win32 Application.

Can anyone here help me out?

Answer:not a valid win32 application

Problem is a little vague, but I would try using dial-a-fix. I know the advanced tools section has a re-install IE7. Can firefox display web pages?

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I can download work files, but when I try to open them, I get this message:c:\users\name\documents\company name\reports\filename.CSV is not a valid WIN32 application

Answer:CSV is not a valid WIN32 application??

Not surprising since that is usually an export file that then needs to be imported to something like Excel.What program is this exported from?

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I did some searching before I posted this problem but I couldn't find a solution that helps.

Everytime I try to install a program be it Itunes, the redistrubution package of the .Net framework, etc. I always get the error "xxxx.exe is not a valid win32 application."

I've read that a virus named Pretty Park could be responsible, yet it doesn't show up in my registry.

I'm utterly confused as to what to do.

Answer:Everything is not a valid Win32 Application

Your issue is caused by one of the following:
1. File is corrupt, bad, or missing.
2. File is not designed for your version of Windows.
3. File is a virus, worm, or other malware file.
4. Hardware incompatibility.

Also look over the First Steps at Removing Malware

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x:\ is not a valid win32 application (where x is the drive letter).
What causes it and how can i fix it.

Answer:x:\ is not a valid win32 application

This will help

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For some reason, whenever I attempt to click my D:\ drive to use the CD i put into my computer, the message "D:\ is not a valid Win32 Application" comes up and nothing happens. This has never happened before, and I just had a massive overload of viruses, so I'm assuming it has something to do with viruses affecting my computer. And I'm pretty sure its not my CD that has the problem, since I tried another CD and it showed the same error. Does anyone know of a way to run my CD? I only need to run it once (I'm attempting to run the Windows XP CD to completely wipe my computer since its becoming very bad). My computer is an hp intel pentium 4 with 512 mb of ram (yes i know it sucks) with windows SP2EDIT: I found the answer...It seems that both disks were infected. I just tried both of them on another computer and they both did not work. Sorry.

Answer:D:\ is not a valid Win32 Application?

What do you mean the discs were infected ? ?Even if by chance they were this would not be the error message you would recieve...if even you would recieve one...probably not.

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most of the software si doanload always say its not a valid win32 application .pls kindly help me out.i use windowsXP,512 ram.DELL inspiron 1300.

Answer:not a valid win32 application

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hi guys i have a Dell computer running windows XP home Ed. only problem i can almost not do anything in DOS since all common commands are decaired not to be valid Win 32 applications. for example PING, TRACERT, IPCONFIG, how do i solve this and what causes it?


Answer:cmd not a valid win32 application why???

in the run box type
sfc /scannow
and press enter

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Can anyone advise why a game I can still play on any PC running windows 98 can't be played on my pc running windows XP Home. I have tried compatability modes (all of them!) just cant get the game to work. I get the thread title as the displayed error message. Any advice greatfully received.

Answer:not a valid win32 application

Are there any patches for the game available that may allow them to run on XP? Have you looked at the manufacturer site for some info re. XP?

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I have tried to install United Devices Cancer Reaserch program on a new machine but get the message ud_agent_setup.exe is not a valid Win32 application. This seems somewhat strange as I am currently running the program on another machine (both running XP).The program is designed to run under XP, anyone have a suggestion please?

Answer:Not a valid Win32 application

Corrupt download? Try again.

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i have a zip file that has HTML code in it. I need that code. I get the ERROR C:\WINDOWS\Desktop\Chris's Briefcase\HTML is not a valid Win32 application. PLEASE HELP!!!!

Answer:HELP not a valid win32 application!!!!!!!

Sounds like the zip have have is having the wrong extension, check your Folder Options in windows and make sure that extensions are not hidden, and then check that the zip-file in question has .zip as extension.

Another possibility is that the program used for opening ZIP-files have become damaged(By virus/HDD failure or similar) and it is no longer able to start properly. Reinstall the program used for opening ZIP-files.

Instead of double clicking the file, then start either of the following programs 7Zip/WinZip/WinRar/WinACE and open the zip-file through the user-interface of the program in use.

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I've downloaded Monster Farm Online it is in Japanese and I have switched my regional settings to Japanese as well hoping that would help resolve my problem. Perhaps the language/regional settings have nothing to do with it, I don't know. When ever I try to start the game it shows up as:

C:\Documents and Settings\My Name\Desktop\MonsterFarmOnline.exe is not a valid Win32 Application

any suggestions would be appreciated! Thanks for your time!

Answer:*.exe is not a valid Win32 application


What Windows version are you using?

But in general when you get that error, the download is most likely corrupt, try downloading again. adn as its a largeish download try a download manager like this one and see if that helps.

Also check that the game supports your Windows version and hardware, would check but my Japanese is none existant, although did see a review somewhere else and its min spec is low anyway PIII 512kb ram and 64mb video

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Every time my girlfriends goes to start up a program on her computer not matter what one it is a pop up will say "**** is not a valid win32 application" so what does that mean and is there any solutions to her problem. Thank you for your help.

Answer:Not valid win32 application

Go here and try options 2, 4 and 5:

P.S. Watch for typos in your posts. That 's' on the fourth word could get you into BIG trouble!!!

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I'm trying to download DVDVideoSoft to my computer but everytime I try to install it, it keeps saying "is not a valid Win32 application." Please help!

Answer:is not a valid Win32 application.

A few things to try:First make sure you're downloading the correct version for your OS. Their 32 and 64 bit version downloads may be different.Try downloading again, maybe from a mirror site, if available.See if it'll install in safe mode.

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Am doing this on behalf of a friend. She's getting the 'not a valid win32' for all applications that have been downloaded since September 09. So far have done the following:- scanned with pandasecurity activescan, and one or 2 others. nothing serious has been found.have followed the directions here: asked her to reboot in safemode (apps are still giving her the win32 message)Then asked her to install Hijack this. This is the log below. Thanks in advance for any help.====================Logfile of Trend Micro HijackThis v2.0.2Scan saved at 01:03:37 PM, on 2009/11/24Platform: Windows Vista SP2 (WinNT 6.00.1906)MSIE: Internet Explorer v7.00 (7.00.6002.18005)Boot mode: NormalRunning processes:C:\Windows\system32\Dwm.exeC:\Windows\system32\taskeng.exeC:\Windows\Explorer.EXEC:\Program Files\Windows Defender\MSASCui.exeC:\Windows\RtHDVCpl.exeC:\Program Files\Synaptics\SynTP\SynTPEnh.exeC:\Program Files\CyberLink\PowerDVD\PDVDServ.exeC:\Acer\Empowering Technology\eDataSecurity\eDSLoader.exeC:\Program Files\ATI Technologies\ATI.ACE\Core-Static\MOM.EXEC:\Users\Caro\AppData\Local\Temp\RtkBtMnt.exeC:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CCC.exeC:\Program Files&#... Read more

Answer:*.exe not a valid win32 application

Anyone there?

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I just ran STOMPSoft Virus X-Terminator and now most of my programs wont launch. I Get the error message [Program Location] Is Not A Valid Win32 Application. For example when i try to run Ad-Aware I get C:\Program Files\Lavasoft\Ad-Aware SE Personal\Ad-Aware.exe is not a valid Win32 Application.

Answer:not a valid Win32 Application

Did this happen to Ad-aware before or is this your first time running Ad-aware? If this is the first time, try reinstalling Ad-aware.

Otherwise, I would check for any viruses/trojans:

If you have a fast internet connection (broadband), run an online virus scan at TrendMicro. Just follow the instructions on the site to run the online scan. Otherwise, make sure your antivirus program has the latest definitions and run a full system scan.

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Trying to download Itunes but after downloading exe. file and double clicking it shows "not a valid Win32 application"

Answer:"not a valid Win32 application"

chiass76 Hello;Allow me to welcome you to the HP forums!This is just a community self-help forum staffed by volunteers.We have no capability for debugging problems with third-party (i.e., non-HP) applications.For help with iTunes problems, since this is an Apple product,  you have to contact them for assistance.

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My PC with Win 7 64 bits is giving his message along with others for some other software. I starting to think this is a hardware problem as I have changed various parts inumerous times. The HDD I changed about 3-4 times.
Well, in order to sort a software problem: does anyone know how to fix the following message: 

is not a valid Win32 application. (Exception from HRESULT: 0x800700C1)?
It displays whenever I try to launch Babylon Builder, but it has happened to other pieces of software before.
Any help will be much appreciated.

Answer:XXX is not a valid Win32 application.

Please download MiniToolBox  , save it to your desktop and run it.
 Checkmark the following checkboxes:  List last 10 Event Viewer log  List Installed Programs  List Users, Partitions and Memory size.
 Click Go and paste the content into your next post.
 Also...please Publish a Snapshot using Speccy - , taking care to post the link of the snapshot in your next post. 

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This is driving me crazy!

For a long time, through several computer upgrades (new machines), if I clicked on a saved htm file, which I created in FrontPage 2002, the file would open in FrontPage and life was good.

Sometime over the first chunk of this year, 2010, something happened to modify this.

When I click on the same files now (in fact, ANY htm file), I get the error message " is not a valid Win32 application." Also, the file type has changed to being a Firefox Document. I'm pretty sure that the type was listed as something else previously.

My guess is that I somehow changed the default (or should be defaults?). I've asked around a bit and followed some simple advice to change this back and none of it has worked. I just want to be able to click on the file and have it open in FrontPage as it did before (...WITHOUT having to always use the "Open with...). And have the type changed back to whatever it was.

I am running XP Pro on a Dell Inspiron that is a little over a year old, that has not given me any problems since I first set it up. I run ESET NOD 32 Antivirus. I'm an intermediate level user, meaning I don't mess around with the registry. That is to say: If a tweak is needed to do what I need to have done that requires hands-on registry work, please give me exact instructions so I don't do irreparable harm.

So what has happened, did I likely do something to cause this, and what's the fix?

Thanks in advance for all rep... Read more

Answer:xxx.htm is not a valid Win32 application

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A friend gave me this Acer 9420 with XP full of virus and malware to try to save it. I run Malwarebytes with success and removed a rogue antivirus Xp 2008. But the antivirus I tried to install later all gave this error or just don't work. Also Combofix and HJT give the same error. Also tried running CCleaner but no improve. Any suggestion? Thank you in advance.

Answer:Not Valid Win32 Application

Not quite sure what you may have been doing with the tools you mention as both combofix and HJT are tools to be run only under the direction OF a Trained Expert can you kindly rerun run a scan with malawarebytes instruction are here ; update the definitions let the members see what may be going on and where to try next for you please post the report for examination of interest, has the comp got SP2 installed and what other basic protectionBut the antivirus I tried to install later all gave this error or just don't work.??which one? and , to your knowledge what WAS the installed antivirus program on it ?( I guess it did have one?)

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tried installing a desktop toolbar on my friends comp, xp-pro yadda yadda...but get this pop-up error when trying to run the executable...any ideas?

Answer:win32 not a valid application

Is that the actual error? What toolbar? XP Pro (sp1/2?)

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Ive just upgraded my hard disk. Using the same windows xp home operating system. I cant download microsoft framework dotnetfx35setup.exe file. I get the "not a valid win32 application" message. Can someone please tell me what the problem is.

Answer:Not a valid win32 application

try a earlier version first , try via windows update not actually doing it yourself

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I get this on Windows XP Pro 64bit SP2 when I try to downlaod a driver on the Biostar website. I have successfully downloaded a few other drivers from their website.


I just can't download the LAN driver. Actually, I would rather try to delete the file and try to download it again. But when I try that, it still doesn't do that, it just trys to run, so I assume its still somewhere else.

Answer:Not a valid win32 application

Try clearing your browser cache.

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Let me thank you up front, you've helped me with a few issues similar to the one I'm describing here.

My son's computer runs fine, but he thought his computer may be infected, and it seems it is. Avast has picked up a few files associated with Antivirus 2006, 2007 etc... according to the filename searches on the internet. His computer seems to run fine for games like (WoW, Call of Duty etc..), internet and whatnot. It shuts down slowly if at all and that's a problem, but that's the only problem we've seen.

Anyway I ran Avast and up popped warnings of VIRUS and ALERT. I moved the files in question to the chest, but soon decided I needed professional help. So here I am.

One of the first things I read was NOT to do anything if the antivirus program finds anything, so I'm tell you now I did move some bad files to the Avast chest like I said above. But that's all I've done.

According to your instructions I should first run the dss download, but I get an error "cmd is not a valid win32 application" . I searched a few forums about this error, but I'm still unable to find the cmd file and I've even searched for hidden files and folders in the WINDOWS directory. So I dont know how to proceed.

His computer : emachines T3302 with extra memory, otherwise as-is from the factory. Windows XP Home.

Hijack This I know is a tool used so I downloaded it from and heres the results. Note that Avast is running this entire time and th... Read more

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Please help,I have just upgraded to win xp and i cannot get my Pioneer dvd 116 player to autorun on application cd's. Can explore contents in explorer (but slow), will autoplay a music cd (after a lot of sorting). If i double click on drive i get the E:\is not a valid win32 application window, can anybody help please, thanks in advance for any help. P.S. have cd/rw drive that is functioning correctly.

Answer:E:\is not a valid win32 application


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Please help....

I was trying to install TuneXP and ran into this error. I have fixed this once before, but not sure how again. Re-downloaded the application twice and re-ran the install, but with the same results. Can someone please help me out? Thanks a lot.


Answer:Not a valid Win32 application

Check the file size it's probably less than 10k, it should be almost 1meg.

Try again at the website, this time by right clicking the download link and Save Target As.

I've emailed the author and asked if he could make a zip version available at his site. Sometimes Executables get chewed up travelling around the net.

If it's still a problem and you have XPSP2 then you might have to list drivershaven as a trusted site in IE security.

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My daughter woke up with an unexpected icon for a Windows Police Pro and almost all of her programs including her Avast Antivirus give her the error "not a valid win32 application" We tried deleting the file, but it came back. We cannot run Hijack this verision on her computer.

Answer:not a valid win32 application

Welcome to Major Geeks!

Let's see if we can get some info so that we can determine which system file has been corrupted. That way we can try to replace it.

Download and save the below to your PC (save it anywhere you can find it. The Desktop is fine). Then double click on it to run it.


It should take a couple minutes to run. You will see a black command prompt window while it is running and it should close when it is finished. Once it finishes, attach the c:\avplog.txt
Now download and Run exeHelper

Please download exeHelper to your desktop.
Double-click on to run the fix.
A black window should pop up, press any key to close once the fix is completed.
Post the contents of log.txt (Will be created in the directory where you ran
Note: If the window shows a message that says "Error deleting file", please re-run the program before posting a log - and post the two logs together (they will both be in the one file)
Next, try running the below online scan:

Reboot immediately after scanning if it finds and removes anything. Let me know if anything was found. See if you can save a log with it and attach it in the next reply.

Now run a scan with MGtools and attach the log. Using MGtools

Next post please attach:

log.txt (from exeHelper)
SAS log (if you can)


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Hi guys I need some help trying to figure out whats wrong with my PC. As of now every time I start up I'm getting this dialog pop up box which says " Application cannot be executed. The file divxupdate.exe is infected. Do you want to activate your antivirus software now?" I was also getting a pop up ever time I tried to open up certain programs stating something along the lines of blah blah " is not a valid win32 application" Its preventing me from running housecall as well.

Also when I open up Hijackthis it comes up with a dialog box saying

"For some reason your system denied write access to the hosts file. If you hijacked domains are in this file, HijackThis may NOT be able to fix this
If that happens, you need to edit the file yourself. To do this, click Start, Run Type notepad C:\Windows\System32\drivers\etc\hosts and press Enter. Find the line(s) HijackThis report and delete them. Save the file as 'hosts.' (with quotes), and reboot. For Vista: simply, exit Hijackthis, right click on the HijacThis icon, choose 'Run as administrator'."

But when I attempt to right click on Hijack This there is not run as administrator option like there usually is for other programs???

I already attempted to use ccleaner and cleaned my registry along with my files even though I probably shouldn't have.

If anyone has any idea please let me know thanks!

Here is the Hijackthis log:

Logfile of Trend Micro HijackThis v2.0.4
Scan... Read more

Answer:Need Help not a valid win32 application

Hi and welcome to TSF.

I'm afraid HijackThis no longer provides the information we require.

We want all our members to perform the steps outlined in the link given below, as far as they possibly can, before posting for assistance.

If you have problems with any of the steps, simply move on to the next one and make a note of the problem in your reply.

Please note that the Security Forum is always busy, so I would ask for your patience while waiting for a reply - it may take a few days.

This thread will now be closed.

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