-moved- doesn't belongs to LDA question room, that section is for questions related to the ygo card game. Other questions go in LDA support.
About your question, KC.com was in mantenence for some time as Arlin said, so that's why you couln't log in, you should be able to use it now. If this ever happens again, don't panic out, just wait some minutes for the server to come back.
Question anweared so...
-topic closed-