I also use the proper crack (without error on exit), but after a few seconds of playing, my PC turns off. Only the power-led is on. Then i have to press the power-button for 4 seconds to turn it complete off. The reset-button don't work at this. After that i can restart the pc.
As it is working for you with vista, it seems that there is a problem with my system...
Someone with a mini/maxi image for me?