I would start by deleting all Temporry Internet Files and Cookies. Then make sure that you're Internet Options settings are set to 'default' so the SSL settings are standard. Apparently, you also need to make sure that the time, date, and regional settings are correct on your computer also.
Next, the link below should help you troubleshoot the problem:
HOW TO: Troubleshoot Situations Where You Cannot Complete MSN Sign-up or Connect to SSL Secured (128-Bit) Web Sites by Using Internet Explorer in Windows XP
In addition, here's a link that might help if you're using a broadband connection through a modem:
Outlook Express Cannot Connect to Hotmail through Proxy Server
Hope this helps.
After entering my password on the log-in page, the screen goes blank and the hotmail page in never loaded. The computer to computer communication completely stops. What is causing this? It used to work. Have windows xp professional. thanks, Ron