I've been getting this error in small doses since shortly before the recent patch, but also constantly since the patch dropped. I can load into Zombies and Campaign just fine, but the moment I hit the main menu for multiplayer, even before I get the chance to hit a button to get into the Multiplayer menu, my game freezes, and then loads me back into the Multiplayer main menu like nothing had happened. This happens in a continuous loop until I simply turn the Xbox off because the game won't even register me hitting a button, so attempts to head back to the Dashboard are useless. I can't bypass this error by joining friends from the Zombies menu or from the Dashboard, and it's gotten to the point where I might as well not even try to play because two seconds into the game loading I'm forced into this never-ending UI ERROR 45866 loop.
So here's where I say, "Hey, people of Xbox! Is there anyone else experiencing this problem? Is it happening in other places that aren't the multiplayer menu?" And to you, Activision, I ask you have you seen this problem asked before and do you have an answer or workaround to this predicament?
Thank you for your time to anyone attempting to help me out here.