Mouse cursor moves by itself on screen! Ran Norton Anti-virus. None detected.
Please take make this steps:
1. go to run
2. services.msc
3. click Description
4. take a screen shot
5. See if any suspecious file found.
6. close.
Try pressing Ctrl+Enter or Ctrl+Shift - I recall programs performing similar things.
And another way is to remove the drivers and software and then reinstalled the software. Hope this help you.