Mouse goes sticky

[coffee man]

Have a sticky mouse...every couple of minutes it will just stick in
one spot and after moving the mouse erratically on my desk it will
come unstuck again...it will be ok for a while then it will get stuck
again...this is driving me nuts...i have tried other mouses with the
same result.......my system is an AMD XP 2600 with 512MB ram and a
large almost empty hard disk...the os is XP home SP1...the mouse is a
generic PS2 twin button wheelie mouse.......
be gratefull for any tips or info

 

[Unknown]

Shut down background programs till the mouse won't 'stick'. Something is
running preventing the mouse from interrupting.