I called Microsoft and they don't even know whats going on. I PAYED for the Expansion 1: The Dark Below and when i go to download it, all it says on my xbox 360 is "Can't Download EXPANSION 1" Ive tried and tried and no matter what i do it will not download the Expansion 1 that i was already billed and Payed for. It my xbox will download everything else, BUT the expansion 1. Any answers????