- Stop the QuarkXPress Server service (running as Local User).
- Navigate to [drive]:\ProgramData\Quark\QuarkXPress Server 8\Preferences and move or delete the 'Preferences' folder for QuarkXPress Server.
- Right-click the QXPS 8.x shortcut icon and choose Properties.
- Click the Compatibility tab.
- Click Run this program in compatibility mode for with the default value Windows XP (Service Pack 3).
- Restart the QuarkXPress Server service.
- Execute a getserverinfo request.
If you want to run QuarkXPress Server in application mode after the above changes, make sure you copy the 'QLAClient.properties' file to the local folder for QuarkXPress Server.