Why i can't....?

Why i can't loggon in warrock?
if i log on he sayd nothing and dont loggin
but if i log on the website
there stay account Locked !
Why that?
my bro is killing me , he said it's my fauld?
rofl i hitting him but it won't work !
but is this a'n update or something?
or i'm hardware ban or what ever