I got my copy of GTA IV today... which I had been getting far to excited about. However after installing it and spending aaaages registering for all the things that you can use with it, it froze just before the game started! Despite exceeding the system requirements. The loading screen with various game characters runs without sound, whether it is supposed to have background music or not I don't know. It then goes black with "The Cousins Bellic" in the bottom right corner... I guess this is the first level. Then after that it just goes black and stays like that. Task manager says it's still running. Any ideas?