: If the license window keeps appearing despite a valid key, think-cell recommends checking the %APPDATA%\think-cell folder for a settings.xml file which stores local profile settings.

The registry permissions are corrupted, or the key was entered under the wrong user hive (e.g., HKEY_CURRENT_USER instead of HKEY_LOCAL_MACHINE ).

Set-ItemProperty -Path $regPath -Name "Key" -Value $licenseKey -Type String Write-Host "Think-Cell license key applied successfully."

If you are prompted to enter a license key but the window keeps popping up, you can manually verify or update it through these methods: