I have been trying to install the retail version of Office 2010 Pro Plus (32 bit) to upgrade an existing Office 2007 (32 bit) installation. On starting the install I get the error:
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.
Correct the issue(s) listed above and re-run setup.
This is even though I never had a 2010 beta on the machine. The culprit in my situation was Outlook Hotmail Connector Addin. Running the Windows Installer Cleanup Utility ( http://support.microsoft.com/kb/290301 ) just to list the components showed that Office components were all v12 but the Outlook Connector was v14. Uninstalled the connector and Office 2010 installed fine. After the install of Office 2010 on first use of Outlook recognised there was a need for an Outlook Connector and offered to download it by taking you to the correct download page – but you need to manually install it.
It is a pity that the install did not tell you what needed to be removed or actually upgraded it for you as it is all Microsoft software – a bit of non joined up thinking. Many people will not know what to uninstall.
Office 2010 definitely seems quicker and slicker and is probably worth the upgrade.
