Every since 9/20/2013, I haven't been able to send/receive messages on Windows Live Mail 2012.  Error message is:

"Unable to send or receive message for the MS account

Service:  "https://ail.services.live.com/DeltaSync_v2.0.0/Sync.aspx

Windows Live Mail Error ID:  0x8DE20003

I'm using Windows 8

Windows Live Mail 2012

Clearly, from looking at the community questions, I'm not the only one, so this must be something that happened from MSN's end.