1 Reply Latest reply: Mar 28, 2013 3:16 PM by WZZZ
sharonclancy Level 1 Level 1 (0 points)

Recently, whenever I try to select an open window with my mouse, the windows jump all over the screen.  I am constantly trying to "catch" them.  Does anyone have any idea why that is suddenly happening?   If so, what can I do about it?  Thanks,  Sharon

Mac Pro (Early 2009), Mac OS X (10.6.8)