Please help me my firends.I bought fifa 11 pc(original). I downloaded it and make an ea online account. When ı want to play(online), it asks ea account.I log in.There is no problem so far but then,ıt wants cd key authentication,just after ea account.I type my cd-key inside from the game box.but it says "please enter a valid key. There is no any other cd key in the game box.What should I do? Is there anoybody who has the same problem like me.???

same problem, legaly download and the same error ! please help me.

Same here...mistakenly clicked create new profile so can't get my old one back, have to enter the cd key again and its saying invalid

bahhh guess I'll have to get fifa12 now...wasn't going to bother as I only play online and was quite happy continueing with 11 so long as the servers were up