I can't run GPU-Z when PhysX is enabled for my Nvidia card:
GPU-Z.0.7.8.exe caused an Unknown [0xC0000374] Exception at location 7789e753 in module ntdll.dll.
Registers:
eax=0623fc74 ebx=00000000 ecx=7fffffff edx=00000000 esi=05740000 edi=05741a28
eip=7789e753 esp=0623fc64 ebp=0623fcdc iopl=0...