Tuesday, June 10, 2008

EXCEL.EXE is not a valid Win32 application

If you get an message box with this warning when trying to start Microsoft Office Excel try to restart the computer. This is what has helped for me. Not sure about the reason that this happens though.

If trying to run EXCEL.EXE directly:

"C:\Program Files\Microsoft Office\Office12\EXCEL.EXE is not a valid Win32 application."

If trying to start with an Excel shortcut:

"This file does not have a program associated with it for performing this action. Create an association in the Set Associations control panel."

This happened with Excel 2007 and Vista SP1.


1 comment:

  1. Restored comments

    JTB World said...

    I got this problem again but now with Access.EXE as well. I could not restart at that point but some time later I was able to start Access 2007 as usual. Not sure what is going on or interferes. I suspect at this point it might be because I've used Windows Movie Maker...
    June 12, 2008

    Anonymous said...

    Hi... if it matters... I'm getting the exact same thing. No idea why. Also Excel 2007 on Vista SP1. I suspect this relates to some kind of an update, but I have no idea.
    June 27, 2008

    Anonymous said...

    Hi... I think I found the fix...

    http://support.microsoft.com/?kbid=952709
    June 27, 2008

    JTB World said...

    Great to see that Microsoft now has a fix for this problem.
    http://support.microsoft.com/?kbid=952709
    July 01, 2008

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