He is what happened. I put Black OPS into my 360. Started up like it always does. Before it got to the screen to select "Campaign, Multiplayer" I got the "Disconnected from Xbox Live". Then the download screen came up and said "Please wait while update is
After which Black OPS goes directly to the multiplayer screen. Now if I try playing Black OPS or go back to the Dashboard. I get disconnected from Xbox Live.
I've been getting disconnected as well. I've been playing MX vs ATV Alive and half my achievements don't have a date because I keep disconnecting. Over the past weekend playing BO, I had zero problems.