The most reliable fix is often to re-input your license key. You don't always need to uninstall the whole suite to do this:
Ensure you are using the latest version of the MELSOFT Update Manager . Sometimes a Windows update breaks the license service, and a software patch from Mitsubishi is required to fix it. gt designer license not found
to ensure it has the rights to access license data stored in protected system folders. Regional Settings The most reliable fix is often to re-input your license key
I have tried running as administrator and reinstalling, but the issue persists. Does anyone know if there is a specific registry key or driver that needs to be manually updated? Have you checked if your Product ID was entered correctly during the initial installation setup to ensure it has the rights to access
Ultimately, the "GT Designer License Not Found" error is rarely a sign of a "broken" program, but rather a communication breakdown