How to Uninstall Microsoft Office 2010 Technical Preview

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 [...]