Each time I click on a composed email which I want to send, I get an Error Message with the following:

Unable to send or receive messages for the Outlook (potchboy) account.

Subject 'Asus Eee PC 900HA'
Windows Live Mail Error ID: 0x80048849

Unable to send or receive messages for the Outlook (potchboy) account.

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

Can someone tell me what's happening here please?

potchboy