I bought Old World Blues off the xbox marketplace and went on fallout new vegas. I travelled to the movie theartre and saw the sattalite. I waited until midnight and clicked on the sattalite. Then i appcepted the challenge and it FROZE I have restarted my xbox about 20 times and tried to go to the sattalite when i appcepted it again the xbox froze. PLEASE reply. I have checked my disc and there are no scracthes.