http://bugs.winehq.org/show_bug.cgi?id=10115
--- Comment #8 from Tijl Coosemans tijl@ulyssis.org 2007-10-21 06:16:09 --- I would think Windows keeps track of display settings per app, because alt+tabbing switches resolution as well. If an app crashes then, some other will get activated and the resolution is "restored".