http://bugs.winehq.org/show_bug.cgi?id=4375
------- Additional Comments From xerox_xerox2000@yahoo.co.uk 2006-22-01 14:08 -------
From what i read i suspect you have accidently unchecked the desktop double
buffering box in winecfg.Look in ~/.wine/user.reg for something that looks like: [Software\Wine\X11 Driver] 1137964209 "DesktopDoubleBuffered"="N" "ScreenDepth"="24"
The "N" should be changed in "Y". Hope that helps
BTW Have you tried to move away (or delete) ~/.wine and create it again by running wine? that's of course another way :)