http://blogs.msdn.com/securitytipstalk/archive/2009/06/23/what-is-microsoft-security-essentials-what-s-happening-to-onecare.aspxToday Microsoft unveiled Microsoft Security Essentials , a no cost beta version of a new kind of hassle-free security software designed for people who don’t want to spend too much time thinking about computer security. Download the beta. Sales of Microsoft’senCommunityServer 2.1 SP1 (Build: 61025.2)