EmperorFool
Deity
The game just stops in it's tracks, not CTD. It stalls, my computer freezes, forcing me to reboot the PC.
This sounds more like a hardware problem (bad RAM module or driver problem) than software. I have seen Civ4 CTD and get Python errors, but never a total lockup of my system. If you play BAT, you obviously push your system pretty hard already without breaking it, so that is odd. I would suggest you try a BAT game if you haven't since the latest PIG crash to test your hardware.