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When you try to start a Microsoft Office 2010 application, you receive the following message:

"Your beta software has expired. Use Add or Remove Programs in Control Panel to remove the beta software from your computer."

    This issue occurs because the beta version of the Office 2010 application that you are using has expired. The beta 1 and beta 2 versions of the Office 2010 applications expire on the following dates:

• 2010 Microsoft Office Beta 1: October 31, 2010
• 2010 Microsoft Office Beta 2: November 1, 2010

To resolve this issue, Uninstall the beta version of the office 2010.

    If you have problems uninstalling the beta version of the Office 2010 application, visit How do I uninstall Office 2003, Office 2007 or Office 2010 suites if I cannot uninstall it from Control Panel

    If you try to install the release version of Office 2010 while the beta version is installed you may receive an error. Visit the following Microsoft Knowledge Base article if this occurs: Error message when you try to install Office 2010: "Microsoft Office 2010 does not support upgrading from a pre-release version of Microsoft Office 2010"

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