So you have an executable file recently downloaded or moved from another computer or drive. When you run the .exe file, you receive an error message that says “setup .exe is not a valid Win32 application.” No matter what you do to the file, it will return the error as soon as you run it.
This post will show you what the error means » .exe is not a valid Win32 application »And what you can do to fix your executable so that you can run it again.
.Exe is not a valid Win32 application. Why is it happening?
Most of the time when you get this error message, it indicates that the .EXE file you were trying to run is corrupted or incomplete.
Download or copy the .exe file again
Although you are sure that the executable file was downloaded successfully, it is possible that downloading the file will get it corrupted. If the executable file was downloaded recently, try delete executable file and all the program you downloaded. Clear your browser’s cache. Later, re-download the program and run it again.
There is also a small chance that a file will get corrupted while downloading it from a download manager. Try to download the executable file using only your browser. Make sure the download is 100% complete before running your executable file.
The copy and paste process could also corrupt an executable file when it is interrupted during the process. If the .exe file was pasted or moved from another computer or external drive, try copying from its source again. This time, make sure nothing interrupts the file copying process and that your HDD works as it should. Run the executable file again and check if the .exe is not a error valid from Win32 application .
The .exe file is not compatible with your version of Windows
The .exe is not a valid Win32 application error may also indicate that the program is not compatible with the version of Windows you are running.
For example, if the program is designed for Windows 10 64-bit and you are trying to run it on a version of Windows 10 32-bit, it will generate the error.
If the program is designed for an older version of Windows, for example a program designed for Windows XP and you are running it on Windows 10, it will also generate the error.
The file is not associated with the correct program.
Each type of file extension is associated with a default program to be used when opening the same type of file extension. For example, if you have configured .jpg to run in Windows Photo Viewer, all .jpg will open with Windows Photo Viewer. Be it .exe, .doc, .png, .txt, .zip, .pdf or others, they must be associated with the correct program.
If a file extension is associated with the wrong program, when you open the file, it can cause the .exe file is not a error valid from Win32 application . Check if you are opening the file with the correct program by right-clicking on the file and selecting To open with . Then select the correct program to run.
The executable file is a malware or virus
If an .exe file is not what it originally is, but a malware or virus in disguise, the .exe is not a error valid from Win32 application may appear when opening the file.
Check if you download the program from the correct source and if the source is safe. Try scanning the executable file with antivirus software to check if it is a malware or virus.