Move it closer to a heat source...
But in all seriousness - freezing at what point?
Delete the update and clear your xbox system cache and reload the game (install to HDD if you have the space)
its freezing up in mutiplayer it seems to be random beginning of game middle it dont seem to matter
Mine freezes right as the countdown ends and it's switching to start the game. The screen is grayish with the version number in the upper right hand corner. It freezes there or after the match is over and it's putting us in the lobby again, same grayish screen.
I tweeted @atvi and they told me to clear my cache and delete the last update and redownload it. It worked for a few hours but right back to freezing.I also get freezing not only in multiplayer but customs games and now theater mode.