HelpConnecting gameguard update server has failed!!

Can anyone help me about this error?
How can i fix it?
I've encountered this error yesterday til now..

PLEASE HELP ME..

Thank you very much..i would really appreciate your help

re install k nlng

Disable Firewall and try again, if not Disable your AV Firewall.
Last ditch, re-install.

What virus system do you have?

you may need to reinstall the game, that is what I had to do.