Win7 system installation software prompts a workaround for "not a valid Win32 application."
If the installation source files are incomplete or the program installation is not successful, we can again download the installation file from the official website to reinstall the program, and sometimes you choose the Download tool is the main cause of this situation, if necessary, you can try different tools to download.
Second, if it is due to the error caused by the virus, you can restart the computer press F8 key into the safe mode, start anti-virus software to completely wipe out the virus, after killing the virus, we need to re-establish the file association, steps as follows:
1, press "WIN+R" combination shortcut key, open "Run" window, enter "regedit" press ENTER, open Registry Editor.
2. Delete the following path key values:
3, after the deletion completes, the restart computer can repair the file association program.