Welcome to HBH! If you had an account on hellboundhacker.org you will need to reset your password using the Lost Password system before you will be able to login.
no app 12
This is already covered in this thread:
http://www.hellboundhackers.org/forum/viewthread.php?forum_id=9&thread_id=9435#78186
…and is probably in the process of being fixed.