My hotmail account is frozen I cannot open any messages, I cannot send any messages, the only links that work are my contacts, and the signout.

My hotmail account is frozen I cannot open any messages, I cannot send any messages the only links that work are my contacts, and the signout link. But when I signed out all that will come up is microsoft setting page demanding an alternatve emal when I enter one the page resets and dosen't register it. This has been going on since last night.