How to fix Agent error (2008 Server Gunz!)

EDIT: HAVN'T TRIED THIS!

Ok, Here's how i did it,

Grab HxD,

(www.google.co.uk)

And open it, press open and go to your matchserver.exe

(Yes, people you may of tried it, but its because your doing it wrong, this is how you do it! :p!)

Ok Now.

Press ctrl+F And search for

210.174.197.180

Now, Click before the 2.

and type your 'IP' From 'Whatismyip.com'

when finished.

Keep doing spaces.

Till you see the next '00' in the hex on left like this
http://img684.imageshack.us/img684/3793/picrr.png
so when '00' is selected.

STOP!