Use Task Manager to close POWERPNT.EXE or EXCEL.EXE .
Persistent license windows often stem from permission issues or hung processes. think cell license key registry
Ensure write access to registry keys and %APPDATA%\think-cell . Use Task Manager to close POWERPNT
Key settings are stored under Software\Classes\Software\think-cell and Office add-in paths, with variations for 64-bit systems. For detailed deployment guides, refer to official documentation. First installation - think-cell think cell license key registry