Once you have resolved Error 6, follow these best practices to avoid recurrence:
If the environment variable pointing to the license server is incorrect, the software cannot locate the "server."
Disable/uninstall:
Before applying fixes, ensure it is indeed Error 6. Look for a window titled SolidSquadSSQ Loader or a pop-up with Error Code: 6 (0x00000006). If you see a different code (e.g., Error 5 or Error 107), refer to other guides.