(adsbygoogle = window.adsbygoogle || []).push({}); I've got the hardened edition for the Xbox 360, and I redeemed the elite membership code but then I got signed out as I was entering my details, I tried redeeming it again but it said code already in use! How do I fix this?!

I think Activision knows the solution . BJ:

yeah, you should talk with the customer service.
...btw this is the MW2 section and you are talking about MW3/CoD Elite

definately call customer service