Microsoft Fable 2 for Xbox 360 "wont work family" Questions

...wont load my file because of Down cont... I moved my harddrive to my family xbox and it would not load because it said something was wrong vwith the down cont....i have no clue what to do and will it ...

...wont connect to it???!!!!!!!!!!!!!!???????!!!!!!!! I bought it because I though that ''Hey, I'll play multiplayer with my family(one at a time lol) and I'll use it to play computer games...!'' When I ...