This is truely odd, but here's the whole sob story: Had only 1 gig of RAM with a 256 MB video card and even though the system check said I could run on High Graphics, I had many problems and ran on Medium or lower. I had enough occasional problems with that to convince me to buy 4 gigs of RAM. Now, during all this time I never had the problem I have now. I had graphics issues, but the game rarely froze up. I would just lose the picture or it would go to simple shapes and I would have to reboot. With the new RAM I can run on Ultra High graphics (looks awesome BTW!), but everytime I go into a party the voice chat freezes the game, sometimes within seconds of entering. Turning down the graphics has no effect. I went back down to Medium and it still did it. Twice the game screen has minimized and my sound card control panel popped up and acted like I had just plugged in the speakers and asked what I had plugged in to identify it (the speakers were plugged in the whole time). This game is pretty fun solo, but not being able to join a party sort of defeats the purpose of the whole thing. HELP!!!