Hello.
I have the same problem.
video’s are good but when menu start, starts the stuttering to.

and i have:
nvidia gf 7900 gs
int. ramdac
bios version: 5.71.22.41.d5
and 1 gb mem on the card

operating sys is windows 8.1 pro 32 bit

who can help me to

i treid the trail version and i did not have any isseu.
after deletet the trail version i instaled the original game.

but its stuttering and it looks like i see frame by frame after the moment that the menu starts.