Hello,
Sorry to hear you are having issues. Please try the latest 5.83 Beta just released. Make sure to reboot after install and retest your issue.
This version seem resolved all issue for those who have issue with lots of monitor while on v5.81. You can refer the post on this thread: https://forums.stardock.com/529942 on how to get this version and read some of issues listed by user while on v5.81.
Thank you.
Basj,
Stardock Community Assistant.