Whats wrong with my game?

Snipelord

Distinguished
Feb 28, 2010
2
0
18,510
Hello,
I recently bought Battlefielf2142 on the pc.i tried over and over to play online.i downloaded the latest patch and everything.so i join a server and it goes well for about 5 seconds then it kicks me and says punkbuster.thats it!!
it takes me to the server menu.what do i do?