04-29-2014, 06:23 PM
Aero should have no influence. I recall I had this problem with OFP looong ago. For me, an alt-tab and then clicking the taskbar fixed it most times (in XP). But this might be totally different.
If you switch off the second monitor (so windows does not detect it), is the problem still present?
If you switch off the second monitor (so windows does not detect it), is the problem still present?