For Black Ops II, I downloaded the season pass. soo I downloaded NukeTown, but when I enter in the map, my Xbox just freaze (same for Crimson map pack for Halo 4). And when I try to download "Revolution Map Pack", it download correctly, but instead of saying "download completed" once my download's done, it return to 0, and say "download error". What to do? (sorry for my bad english).