NEED HELP PLEASE!!!!

Yr right but am stuck on like 5 trophys and they are so spread out in the subway and I still dont know my way around...thanks for the link.

gamesradar.com/batman-arkham-city-riddler-guide/

You you find them in untold stories

Check billing.microsoft.com and see if it shows you what the error is. If you still have problems, you'll need to call support and talk to billing.

i had the same problem, phone the support help line, they will ask you allsorts of questions to track back throw your account, if you have your credit card details with x-box make sure you have them when you phone them, you need to speak to the billing
department, they can sort it, try to remmember as much passwords as you can first