Online Multiplayer Black Jack CoD 5 Multiplayer Won't Load?

CoD 5 Multiplayer Won't Load? - online multiplayer black jack

When my friend and I tried to go play COD 5 online multiplayer, the multiplayer loading screen for a second and then black, then the mini-setup screen, then do it again to the manager of several players, 5 seconds, and continue to . When the COD charge indicating that the downloadable content is corrupted, why? Or is it because my friend came and load all the new maps on my Xbox? HELP!