I installed Vista Business, bootcamp drivers, all necessary updates, etc. Since then, every time I reboot from Vista to Leopard, it stalls on the loading menu for 6-8 minutes, and when I finally get to the desktop the clock has been set back 7 hours. This also happens about 30% of the time when restarting from Leopard to Leopard. I spoke with Applecare, and they basically won't help me because they claim the problem is with Windows. Does anyone have any idea what the problem is, or how to possibly fix it? Thanks.