Banned?

I recently been playing forza 4 alot and 2 days ago i got on and i was playing having a fun time with my friends not doing anything wrong just playing A class tag. So then yesterday i went to get on and my save was gone i dont know what happened if turn 10 took it i want it back. Also i found one of my old saves on my computer because i back everything up (cant trust microsoft these days) and i put if on my xbox when on today and i went to buy a tune from my friend and it said i was Ban wtf? pls Help

Create a new game save and give that a try. Next time don’t store files on your computer.