delete a select client version

[beliar34]

Hello guys how to delete this "window" and setup my private ip, client version and port ?
http://scr.hu/1pnb/2b01h
or just tell me which file i should edit

Thanks !

 

[Nothxbye]

client_entergame-->entergame.otmod
add to @onLoad this line:

EnterGame.setUniqueServer("127.0.0.1", 7171, 772)