Split from this thread.

Unable to send or receive messages for the Msn ( ) (1) account. Header download for the 'Inbox' folder did not complete. The operation was canceled by the user.

Server Response: AUTHENTICATE failed.
Server: 'imap-mail.outlook.com'
Windows Live Mail Error ID: 0x800CCC0F
Protocol: IMAP
Port: 993
Secure(SSL): Yes

I'm having same problem havent been able to acces email since the 16th of nov dont know of any updates or changes. any suggestions.  mine ask for sign in . i do but does nothing