THQ Saints Row 2 for Xbox 360 "im downloading game stops" Questions

...game downloaded the update to play the DLC everything works fine up until the Teenay cutscene after that nothing no peds no cars , i can see them in the distance but as i get closer to them they fade ...

game", 360 pumps away then stops and im left with a black screen :S On updated xbox360s the cache clearing is no longer a secret, here it is off Support Page from Microsoft. Xbox Support Xbox One Xbox

Game Failed to Start' i have tried everything bar clearing my cache as im have downloaded dlc maps for Halo and am not sure if they will be deleted from my harddrive. so please, any help will be great