Sorry to hear you are having issues. Try this.
- on your desktop right click->Sort->None.
- view-> disable auto arrange icons.
- Also give some empty space on your top left corner of your primary monitor. Move away Fences from there if you have them there.
If these don't work. Please post a video of what is happening on your screens. When new icons move in your desktop. Also include information of your Windows version numbers (Winver.exe) and Fences 3 version numbers in the video.
Stardock Community Assistant.