I don’t know what it is eating when I am not here but my mouse often refuses to respond to me. 
My original mouse would hardly roll up or sideways even after a thorough cleaning. I changed to an optical mouse and this installed fine and works a whole lot better – except that sometimes I am in the process of moving the mouse (fairly slowly) and the mouse pointer just vanishes from the screen. Shaking & rolling will not always reveal the pointer. I let go and sit back for thirty or so seconds and it appears somewhere but not always the same place. I have just attempted a drag and drop, dragging to the minimised icon on the task bar and the mouse pointer vanished!
I have altered my pointers but it had no effect; I do not use “snap to default”; my Acceleration is set to LOW; I have two drivers attached (mousclass.sys & mouhid.sys) and attempted an update which was not required.
Has any one else come across this and found a solution?
