Can't display msg

Please help.. WLM worked well with all my counts even for Hotmails, but now
these ones have problems.. i have always the same error message when
displaying emails from Hotmail or Msn.com .. It's this kind of message :
Windows Live Mail could not download the requested message. To send and
receive messages in your Hotmail account, go to http://hotmail.live.com on
the Web, or try again later. To get help from Windows Live Customer Support,
go to http://support.live.com and click Windows Live Mail in the list of
services.

Subject ...
Server Error: 0x8000FFFF
Server: 'http://mail.services.live.com/Delta.../Sync.aspx'
Windows Live Mail Error ID: 0x8000FFFF