I had it at 2, but it happens even with 0.Hi Harry, What is the WHEELMOD setting you are using for this? Does this always happen? Wengier On Sunday, August 28, 2016 2:40 PM, Harry Binswangerwrote: Wengier, When I push the wheel on the mouse DOWN (into the mouse), I get a black surround that I can't get rid of: Emacs! It extends to the edge of the screen. ??? Regards, Harry