LMS Perfect World

hey all, i just downloaded this LMS perfect world server and it works fine. but i can't log on and i dont know why. i did register successfully but it keeps on prompting me wrong username or password. i did register 3~4 times with different user,email,pass to test it but i got the same result. can some please help me with this?

ty

Make sure your CAPS LOCK is off.
Login with ALL LOWER CASE.

its fine now thank you. i registered with mixed upper and lower case password. i tried typing it all in lowercase and it worked. tnx