I turned on my XBox 360 tonight having not played on it for approx 1 week, my XBox immediately informed me that it needed to download the latest update which I confirmed and it proceeded to install the update.
Once the update was done, I attempted to play Hitman:Absolution which has been in the console since the day I got it and is in no way scratched. Instead of the small box saying "Play Hitman:Absolution" It just said "Play Game" and had the default picture of a disc as opposed to the Hitman graphics.
The Disc drive then proceeded to spin as if it was reading the disc but the screen just went black and wouldn't let me do anything. Even pressing the Home button on the controller did nothing. I have tried numerous times and this is all that is happening. I have had the same problem whilst attempting to play FIFA 12 tonight as well.