Lost account and can't log in as a guest

I lost my account (Hellzfire74) and it won't let me log in as a guest for sum reason, can anyone help me?. ALso when the site is up again will the accounts come back or will i have to make a new account?(hope not )

Btw I saw sumone else using this file and saying that they guessed the password , so then i guessed the password and got it first try .