Unable to send or receive messages for the Hotmail (tjevans50) account.

Server Error: 0x80048849
Server: 'https://mail.services.live.com/DeltaSync_v2.0.0/Sync.aspx'
Windows Live Mail Error ID: 0x80048849

I've dumped the account, nothing, I've fixed
Essentials, nothing, I've re-set the account, nothing,

my gmail acct. works, but this Window Live Mail has

been totally undependable, it won't download  or

send my Hotmail.