Shoutbox

solved with this trick

Fix

Delete you handshaking policy cache:
Exit Messenger completely (this means right clicking the Messenger tray icon and choosing Exit).


Open your registry editor (Start > Run > regedit.exe) and navigate to:
   for Messenger 8.0: HKEY_CURRENT_USER\Software\Microsoft\MSNMessenger
   for Messenger 8.1: HKEY_CURRENT_USER\Software\Microsoft\Windows Live\Communications Client


Once there, you must remove the following subkeys:
   for Messenger 8.0: Policies
   for Messenger 8.1: Shared


Close your registry editor and restart Messenger.