Hi,,,, any suggestions on why ,, when I go to bunker A ,, the game would get stuck at the elevator,,,,,, I can play fine ,, until I hit the button to get on ,,, then freezes .... I would then start the game up again,,, play any area fine,,, except for the elevator in bunker A... any help on what I can do to fix and continue would be greatly appreciated,,,!!! Thank you !