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XXX is not a valid Win32 application

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If you have used your Vista SP1-based computer for extended period, you may experience some problems starting large applications, for example, Office 2007 applications. Specifically, you may receive a message “XXX is not a valid Win32 application”.

If you do experience this problem, you can install hotfix KB952709.

https://support.microsoft.com/kb/952709/

Comments

  • Anonymous
    August 05, 2008
    You shouldn't need the hotfix; It's already been pushed-out through windows update. I got it on 2008-07-09...