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

Server Error: 4102
Server: 'https://mail.services.live.com/DeltaSync_v2.0.0/Sync.aspx'
Windows Live Mail Error ID: 0x8DE00001

Just installed Outlook email address in Windows Live Mail - sent & received several emails now getting above message.

Non-technical solution required, please.

Original title: V Waterfield