if u wanna log in game and u are not premium.
-go to harddisk
-choose program files
-choose knightonline file
-delete xtrap map and logo ( dont use shift + delete but just delete it)
-go to trash bin and right click on xtrap logo and the map and choose restore
launch KO and go a2 or a3 (i prefer a3) goodluck and enjoy game :P