The most common reason for this error is a mismatch between your vMix edition and the features you are trying to use. GT Designer Standard
There can be an instance where the configuration file of the application which is giving you the error is corrupted. In this case, vMix Forums Standalone GT Title Designer - vMix Forums vmix gt title designer license not found
Delete or rename these folders (vMix will recreate them on the next launch). The most common reason for this error is
The GT (Global Title) Title Designer is vMix’s premium, hardware-accelerated titling engine. Unlike the legacy "Title Editor" (which uses basic Windows fonts and rendering), the GT Designer uses a modern, GPU-powered renderer capable of: The GT (Global Title) Title Designer is vMix’s
A: Possibly. vMix releases often include license validation patches. Always keep vMix updated (Help > Check for Updates).
Click (even if you don't intend to change it).