Dunno if you want to use this code and add it.
Errorcode: 81000377 - 81000378
"you cannot use MSN Messenger at this time because your contact list is not available please try again later"
Because I am a member of MSN I had been on the phone with tech support today anyway to find out they are updating their software so even members in general are having problems accessing not only the messenger but the internet.
Another thing to check is the
MSN status page