imsoaddicted: I rarely hear of a mouse that breaks - let alone 3 of them.

So hearing that you went through 3 of them, my guess there is something wrong with the PC side of it and not the mouse side of it. I'm not sure what the problem would be....

So when you say "just stop" - does that mean it does not move the pointer anymore on the screen? Or is it just very "buggy" when it moves?