I recently bought New Vegas and all 4 DLC's on Steam and after 20 hours of gameplay I decided to play Dead Money. I played up to the Trigger the Gala quest and I was going to do Dog's part of the quest and headed to the Salida del Sol door. Upon clicking on it, I am treated to a loading screen but when it changes to the second panel, the game crashes every time. I have tried to check the problem by verifying the game cache and it keeps telling me 1 file must be reacquired. That method doesn't work at all even though I tried that repeatdely and still get the same message. If anyone can tell me of any way to fix the problem or a workaround for it, I would be very grateful especially since I really want to finish Dead Money and move onto the other DLC.

Update: I also discovered that my computer crashes at the door to Puesta del Sol as welll which is odd since I went thorugh there and back earlier this afternoon and didn't encounter any problems at all until now.