Microsoft Office 2010’s public beta just leaked on peer-to-peer file sharing. Prior to installing the latest beta, you must uninstall the previous version of Office 2010. If you try uninstalling it, you’ll be greeted with this error message:
“This product installation has been corrupted. Please reinstall from original CD or source.”
According to Vikas Narula from Technet, the problem is cause by a missing file from the installation folder of Office 2010:
“To uninstall Office 2010 14.0.4302.1000 if you have an uninstall error message "This product installation has been corrupted". The Problem is a missing file in the installation folder of office 2010. Office 2010 as a Setup Controller directory and uses the directory to check the installed components. Please check he directory "C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Office Setup Controller\Groove.en-us\". if you have no "Setup.xml" file there please copy the file from the "Groove.en-us" directory of the source files to this directory and test the uninstallation again”
To fix this issue, right click and save setup.xml to your computer and copy it to this folder:
C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Office Setup Controller\Groove.en-us\
Now try uninstalling Office 2010 Technical Preview.
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