I have Windows 7.  My livemail application cannot download e-mails or send - I get:

Unable to send or receive messages for the Hotmail (r_shotton) account.
Server Error: 0x80191002
Server: 'https://mail.services.live.com/DeltaSync_v2.0.0/Sync.aspx'
Windows Live Mail Error ID: 0x80191002

This problem has happened in the past but fixed itself.  I have had it for a month now - the problem is not to do with my router - I also get it when I travel, in hotels etc.  I can access my account by logging in through the web but there is no connection to me PC's application.  Turning off firewalls does not help.

Help please - I do not want to change my account.

Help help help please