After removing Microsoft Office 2010 beta 1 from my system I could install Microsoft Office 2010 RTM but not Microsoft Visio 2010 RTM or the SharePoint Designer 2010.

The setup errors:

Setup is unable to proceed due to the following error(s):

Microsoft Office 2010 does not support upgrading from a prerelease version of Microsoft Office 2010. You must first uninstall any prerelease versions of Microsoft Office 2010 products and associated technologies. Crrect the issue(s) listed above and re-run setup.






  1. No, this only solves the problem in a couple of cases. I never had a Beta version installed and no traces of Beta can be found – however, I still get this error and e.g. can’t install more proofing tools in different languages.


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