Problem Upgrading to 2009
February 18, 2009 12:00 AM
Experienced the exact same problem. As above, the windows install clean up utility solved the problem. In our case, the utility's file list showed a file(installer file?) for a program that had an older version number than the one currently installed. After this file was cleared, the proper installation/update could be done while the windows installer window ceased to appear.
-J
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