When you have problems with any programs installed as part of the Microsoft Office 2010, then you try Microsoft Office 2010 repair option and see if that resolves the issue. To repair a Microsoft Office 2010 installed on a Windows Vista, click Start menu –> Control Panel –> Click the Programs link. Then Navigate to Programs and features and click the link. This would display the Uninstall or Change Programs window as shown below.
Navigate and highlight the Microsoft Office installed program such as Microsoft Office Home and Business 2010 (This depends on the Office software installed on your system). Click the Change button available at the top. This would display the following window with repair options
Select Repair radio option and click the Continue button. The following Configuration Progress window will be showed.
After completing the repairing process a confirmation window ill be displayed. This process would require a system reboot as well.