I am in the same boat Windows 10 did an update now Live Email will not send or receive I have tried everything I know to do , even deleted my account and imported it back . Still will not send or receive.
WINDOWS LIVE VERSION 2009 BUILD 14.0.8089.0726
This is error message
Unable to send or receive messages for the pop-server.triad.rr.com account. An unknown error has occurred.
Server: 'pop-server.triad.rr.com'
Windows Live Mail Error ID: 0x800C013E
Protocol: POP3
Port: 110
Secure(SSL): No
Unable to send or receive messages for the pop-server.triad.rr.com (1) account. An unknown error has occurred.
Server: 'pop-server.triad.rr.com'
Windows Live Mail Error ID: 0x800C013E
Protocol: POP3
Port: 110
Secure(SSL): No