I have had this problem ever since I got forza. If I try to load the marketplace for example it comes up with an error. It does this for every online feature except joining an online room. I have tried all of the tricks I could find like deleting and reinstalling packages, and changing router and xbox settings. I would really like to get this fixed so I can buy car designs. If someone does help fix this I will buy enough stuff from your store front that you will receive $150,000 in game.