Aggressive antivirus software or Windows Defender rules can mistake the license validation check of the GT Title Designer as suspicious background activity and block it. Open > Virus & threat protection .
If you have moved your license to a new machine, you must deactivate old sessions. GT Title Will not open - vMix Forums vmix gt title designer license not found
The most common solution is to delete the application's local configuration folder, which forces it to rebuild clean files upon the next launch. vMix Forums Close vMix and the GT Title Designer. Open Windows File Explorer and navigate to: C:\Users\ \AppData\Local C:\Users\ \AppData\Roaming In both locations, find and the folder named Aggressive antivirus software or Windows Defender rules can
Pay the price difference to upgrade to the edition. Restart vMix and the GT Title Designer to clear the error. 4. Refresh Your License Key Container GT Title Will not open - vMix Forums
If you recently upgraded vMix, outdated entries might cause conflicts.