The servers are under upgradation .Read this http://x10hosting.com/forums/news-announcements/115601-updates-upgrades-etc.html . The error might be due to this.You can try again to unsuspend
There are some server upgradation going on
http://x10hosting.com/forums/news-announcements/115601-updates-upgrades-etc-4.html
So it might be due to that
Login to your account panel http://x10hosting.com/control and check if any suspension is there.
REMOVE YOUR PASSWORD.Dont post password in forums.
(Since you had posted it you have to change it).