COD4 Multiplayer help please key in use?

Hey everyone….. Singleplayer COD4 works great…. figured I would try multi…. can get a sever list but when I try and connect it says try again later key in use
Answer #1
Of course, if you downloaded the game then you can’t play on normal servers. Search Google for cracked COD4 servers if you want to play online because otherwise you will not be able to play on normal legal servers. Good luck mate ^_^
Answer #2
http://www.epcgaming.com/epcgaming_v2/servers.php?gameid=16
Here is a good site
This will allow you to play on some cracked server for cod4.
Answer #3
if you Downloaded COD4 or any game in that matter It will not work online
although some games u can download a patch to play on cracked servers