You might be trying to run a version of the Title Designer that is newer than your vMix edition allows. The Trial Expired:
Ensure you are using the latest version of vMix, as bugs that cause license errors are often patched, according to vMix Forums Reinstall: vmix gt title designer license not found
: In rare cases, antivirus or firewall software may block the Designer from "calling" the main vMix license registry. Ensure vMixGTTitleDesigner.exe is added to your antivirus exclusion list. Technical Summary Requirement Software Bundle Included with all paid and trial versions of vMix. Registry Path You might be trying to run a version
The error means that your current installation of vMix cannot verify that your license key permits access to the advanced GT editor. Your system is recognizing that you tried to open the designer (by double-clicking a GT title and clicking "Edit"), but the authentication check failed. The GT Title Designer is available in all versions of vMix
The GT Title Designer is available in all versions of vMix.
If the application fails to open or throws a license-related error, the local configuration files may be corrupted. Resetting them allows vMix to recreate clean versions. on your PC: C:\Users\ \AppData\Local C:\Users\ \AppData\Roaming