Windows live mail has stopped working. Today it stopped sending messages, in the end I deleted the account and re added it and now it won't sync with my Hotmail account at all - it just doesn't pull anything down.'
On further research (especially when clicking Send/Receive) I get the following error message:
Server Error: 3204 Server: 'https://mail.services.live.com/DeltaSync_v2.0.0/Sync.aspx'
Windows Live Mail Error ID: 0x8DE20003
RESOLUTION STEPS (Perform the steps below at your OWN RISK as you are modifying your computer's registry)
1) Deleted registry key: HKEY_CURRENT_USER\Software\Microsoft\Windows Live Mail
2) Deleted folder: C:\Users\USERNAME\AppData\Local\Microsoft\Windows Live Mail
3) Reinstall Windows Live Mail - http://windows.microsoft.com/en-us/windows-live/essentials-home