Windows Defender expired last December 31, 2006.. ensure you have new versionhttp://msmvps.com/blogs/donna/archive/2007/01/02/windows-defender-expired-last-december-31-2006-ensure-you-have-new-version.aspxGet the new version at Microsoft Website - http://www.microsoft.com/athome/security/spyware/software/default.mspx Error that you might see is "Windows Defender application failed to initialize 9X800106ba" Note: Windows Defender does not support WindowsenCommunityServer 2008.5 SP2 (Build: 40407.4157)Windows Defender expired last December 31, 2006.. ensure you have new versionhttp://msmvps.com/blogs/donna/archive/2007/01/02/windows-defender-expired-last-december-31-2006-ensure-you-have-new-version.aspx#465331Tue, 02 Jan 2007 20:52:07 GMTd67277c4-116b-43f1-b688-e9ef184ea916:465331Andrew Berges at myITforum.com<p>Get the new version at Microsoft Website - <a rel="nofollow" target="_new" href="http://www.microsoft.com/athome/security/spyware/software/default.mspx">http://www.microsoft.com/athome/security/spyware/software/default.mspx</a></p> <img src="http://msmvps.com/aggbug.aspx?PostID=465331" width="1" height="1">