Since the new Xbox OS update I am unable to play Xbox Games purchased under a different account on the same console. My friend and I share an Xbox. We frequently play together but also occasionally separately. We could purchase titles from the Xbox store and each play them from our respective accounts. It appears that functionality has now been removed. This effectively means that if my friend and I wish to play a game on both accounts we have to purchase them on disc and not from the store as usual. As such, I am extremely disappointed by this new update.