You are getting error message that "Your beta software has expired"

Error : 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."

Cause : This issue occurs because the beta version of the Office 2010 application that you are using has expired.

Solution for Windows XP, Vista, Win 7

For Windows 7, Windows Vista (with Service Pack 1) and Windows Server 2008:
1. Click Start, and type Programs and Features on the search bar.
2. In the Currently installed programs list, select Office 2010 beta version application, and then click uninstall.
3. When you are prompted, click Yes to remove the program.
4. Restart the computer if you are prompted.

For Windows XP (with Service Pack 3) and Windows Server 2003 R2:
1. Click Start, and then click Control Panel.
2. Double-click Add or Remove Programs.
3. In the Currently installed programs list, select Office 2010 beta version application, and then click uninstall.
4. When you are prompted, click Yes to remove the program.
5. Restart the computer if you are prompted.