Ah, I forgot those little steps. Drivers are fully updated, and this is my dxdiag. It's a bit old, but my specs haven't changed since (except the drivers, which are now v191.07, released October 5th.
The man with the briefcase asked who I was and told me to leave him alone, so I'm pretty lost...
I'm not sure how best to describe this. Every so often while I'm playing, usually when the walking animation loops, the game freezes for a split second and skips a few frames ahead. Audio is unaffected. I've tried messing with video settings. No matter how low I go, it doesn't stop the skipping...