I'm running Win XP Service pack 3 in Parallels 5, on an iMac running Snow Leopard. When I try to run Simcity 4 on the Windows XP side I get a DirectDraw error and the game shows just a black screen but you can still hear the sound. I installed DirectX, and installed the driver for the video card, still doesn't help. Anyone know how to solve this problem? Any help would be great. Thank you.