Note: ProgramData is a hidden folder. Type the path directly into File Explorer or enable "View hidden items".
Open PowerShell as Administrator and run:
Open a web browser on your computer and navigate to http://localhost:30304. GUI license error -200 - Chaos Forums
The licensing service may have failed to start automatically after a system reboot. Step-by-Step Solutions to Resolve Error -200 1. Verify the Server Status
If none of the above works:
Follow these steps in order. Most users will resolve the issue by step 3.