My Activation limit for my serial number has been exceed for NFS Hot Pursuit PC

Contact support and they will resolve your issue.

You can also deauthorize a machine.
There is a limit of activations for your serial code but in order to make this system more convenient you can deauthorize one computer so you don't reach this limit.

To learn more about the EA Deauthorization Management Tools, click here.

How do you contact support? It looks to me like their hiding behind Answers HQ cause they don't want to talk to you;