Electronic Arts Need For Speed: Undercover - DS - Pre-Order for DS "registration key" Questions

...key. but when i trying to run the game its asking me the registration code. and now its not accepting the code i am getting from the nfs undercover key generator. plz help me to solve this problem. ...

i want need for speed undercover registration i want need for speed undercover registration code i want need for speed undercover cd key

...key generator. but when i am trying to run the game its again asking me the registration code. and its not accepting the code which i have used while installing. plz help me to solve this problem. ...