Hello Have Serious Problem With Game anyone can help me ?

[death]

I didnt play game for long time maybe 3-4 year now i backed i tried join server and it says you are permanently banned on this server i said weird after i go other server other server and it says all servers i got banned how lol? How to fix this anyone help me?

[CB]

Lets start here - Give me any player names you have possibly used on this server. And where did you get the key code that you used?