Microsoft product license verification error when starting any Office 2010 application (Word, Excel, PowerPoint, Outlook, etc.)
The error occurs when Symantec Endpoint Protection (SEP) is installed.
"Microsoft Office Professional Plus 2010 cannot verify the license for this product. You should repair the Office program by using Control Panel."
This issue is related to the Application Control (AC) component of SEP.
This issue was fixed with new Application Control Definitions, Sequence number: 190213022 (2/13/19 r.22) and newer.