Yes, try to post a picture if you can. Just in case you or anyone reading this doesn't know how, I'll save a google search- Press the PrtScrn/SysRq button (dirrectly above the arrow keys), open paint, and paste it in by right clicking. Save it and open it with photobucket or any image sharing site. We really have no idea what the problem is from the information you give. I can only say a few things that are common problems.
Did you update your drivers? Updating the game itself won't cut it as far as this is concerned. (as a general note, whenever you have a problem of any kind(if not periodicly), updating them is a good idea. I'd update my video and sound drivers at least.
Have you tried runing it in safe and administrator mode? You can get to those by right clicking the icon, in Vista at least.
Is the resolution setting out of whack? If the game didn't launch, this could be the problem. Go to properties, and you should find an option to launch in 640X480 or something like that, and then reseting the resolution ingame if you want to. Again, this is how I get to it in Vista, so it might be a little different from Windows 7.
