Hello,
Sorry to hear you are having issues. If you install Fences 5 while Fences 4 still installed. Fences 5 should just install over Fences 4. And only Fences 5 should be running. If you found Fences 4 still running. You should uninstall Fences 4 and reboot.
Thanks
Basj,
Stardock Community Assistant.