This issue has nothing to do windows update. You might try and read the below MS KB
http://support.microsoft.com/kb/290301
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Peter
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<Phil Beckman> wrote in message news:...
>I had the test version and decided I didn't want it, but can't seem to delete it, as the file 'GrooveMisc.dll' can't be deleted. The most annoying result of this is the random appearance of Windows Installer trying to reinstall Office 2007. Is there any way to stop this short of reformatting my machine?? I really don't want or need Office 2007.