If you login to your account panel, at http://x10hosting.com/login.php (same user name and password as you have here) you should be able to unsuspend your self.
You are suspended for inactivity, which means you did not login to the forums for at least two weeks. It is an requirement that you login to the forums at least once every two weeks to keep your account active.
It is recommended that you spend a few minutes to check the "News and Announcements" as well as "Services Alerts" while you are here.