help installing mods

okay i was tring to mod my xbox agian cause i just put live on there and when i tried it my xbox had christmas ligth and i dont see why it wont let me and i did it before

 

what are saying u wanna get on live with ur mods...u can but if u have some kind of halo 2 modded maps ur ganna get banned in----5,4,3,2 not even a 1

 

If your xbox is fragging or has "christmas lights", you're going to have to get a modchip to fix it.