Some times, when open any MS Office application like outlook, excel etc, i keep get following error irrespective of my license expired or not.
“Unlicensed Product” error when you open an Office Professional Plus 2010 application”
To fix the issue, i followed following steps.
Easy fix 51006
- Determine whether the computer has the 32-bit or 64-bit version of Office 2010 installed. To do this, open any Office 2010 program, click File, and then click Help. The Office version is displayed next to the Version number.
- Close all Office 2010 programs.
- Click Start, type cmd in the Start Search box, and then press Enter.
- At the command prompt, type one of the following commands, and then press Enter:
- If you’re running 64-bit Windows with 32-bit Office:
"%ProgramFiles(x86)%\Common Files\Microsoft Shared\OFFICE14\OSAUI.exe" /F
- If you’re running 32-bit Windows, or running 64-bit Office with 64-bit Windows:
"%ProgramFiles%\Common Files\Microsoft Shared\OFFICE14\OSAUI.exe" /F
- If you’re running 64-bit Windows with 32-bit Office:
You can can find more help or ways to fix this issue from this MSDN help link.