I've been using a Logitech m185 (I think that's it) for a year or two now and I've only had this problem once before, except it went away on it's own last time.. Now, it isn't. I don't know why it started, I was on my pc and it just started, no warning or anything. Any ideas? I've moved the USB to every possible USB port and I've cleaned the mouse and the mouse pad multiple times. Any ideas on how to fix this?