http://lastdynasty.org/board/viewtopic.php?t=3828
I'll save you the trouble of following the link and tell you that if you have a 32MB or 64MB video card and running Windows XP you solution could be as easy as uninstalling security patch Q328310, see microsoft.com for more information on the patch.
I've uninstalled the security patch and I'm now living back in the high resolution world
