So I was in the tops, and I won my second maximum roulette bet. I got a hud popup that said I have been banned from gambling and the pit boss began running towards me. When he got into range to initiate conversational chat, CTD. This has happened twice now.

New Vegas from Steam
C2 Quad q9550
8gb DDR3 ram @1.6ghz
NVidia GTX285
Windows 7 64-bit