Your account is not created yet.There are some signup problems.Please read this http://x10hosting.com/forums/free-hosting/113526-signup-error-read-first.html
Your account is not fully active.Some upgradation is going on .So our Account Panel is Off. Once your account is active you can login to your cpanel.Please read this http://x10hosting.com/forums/free-hosting/113526-signup-error-read-first.html
Since account panel is being updated you cannot login to account panel.But you can login to Cpanel
For Further support please open a thread http://x10hosting.com/forums/free-hosting/
This is only for FEEDBACK AND SUGGESTION.