Printscreen doesn't work in Windows Vista/7 while in-game? Try this!

Windows Vista and Windows 7 are more heavily graphics-based as far as engines go than Windows XP or 2000 ever were, and as a result, these can sometimes mess up screen-capture programs or print-screen. There is a simple fix for this however, just follow the steps outlined in this how-to and you're all set!

http://www.howtogeek.com/howto/windows-vista/easily-disable-vistas-aero-before-running-an-application-such-as-a-video-game/

Oh thank you Raps! Each time that I had to printscreen I had to play in the windowed more

Thanks! That looks like it might also be helpful for a weaker system that can just barely handle the game.