I found this on koranking, it helps alot of ppl to login. i even where able to login this way.
proxifier ---->>>> http://www.proxifier.com/distr/ProxifierSetup.exe
These should work
Proxification rules > Process only the following + manually proxified > Add > Write a rule name > Add > Knightonline.exe and Launcher.exe > Ok.
if u dont understand this read the posts on koranking cuz i cant explain it :