Test Microsoft Security Essentialshttp://blogs.technet.com/rhalbheer/archive/2009/06/24/test-microsoft-security-essentials.aspxI am running Microsoft Security Essentials (called “Morro”) since quite a while on my Mediacenter and I am definitely convinced of it. So, go ahead and test it: http://www.microsoft.com/security_essentials/resources.aspx – it will be our free Anti-Malwareen-USCommunityServer 2.1 SP1 (Build: 61025.2)