Sorry to hear you are having issues. Need to know more.
1) Windows version. Use winver.exe for full Windows version number.
2) CursorFX installed version.
Edited. Nevermind. I have found your other post and above information was in that thread.
Please try these step : https://forums.stardock.com/485856/cursorfx-support-faq#dualcursors
Try that reboot and retest report back here.
Stardock Community Assistant.