You are off topic for the forum you posted to, which is dedicated to Microsoft Security Esentials Beta
Help for Windows Live Messenger can be found here: http://help.live.com and it can be discussed here:
http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.windows.live.messenger&cat=en_us_0f43cf19-5af1-4912-9a55-f5ff1f9fd904&lang=en&cr=us
-steve