The Xbox LIVE Online Service is currently struggling with a malfunction in a number of games.
There is currently a problem with the Xbox LIVE Online Service that appears to affect all games. Accordingly, Xbox owners can run into some problems logging in and connecting to Xbox LIVE to play their games.
The technicians have already reported and assured that they are already working hard on a solution.
Update: The first Xboxdynasty users report that everything is working again.
Update 2: Games seem to start again. The store is apparently still affected by a malfunction.
Update 3: The technicians give the all-clear and announce that everything is back to normal.