Microsoft has made available Security Essentials 4.0, which now includes a streamlined interface, a new service called Microsoft Active Protection Services, a new automatic remediation function, and overall better virus/malware detection.
Security Essentials 4.0 is available for those on Windows XP, Windows Vista, and Windows 7 and is a free anti-virus and anti-malware program. Microsoft official statement on this? “This update to Microsoft Security Essentials is part of the standard product update release cycle. This service update contains product enhancements to improve performance and user experience. We have improved on Microsoft Security Essentials’ Automatic Remediation, which will automatically quarantine highly harmful threats without prompting the user to take action as well as minor bug fixes in set up, malware remediation and other areas,” Microsoft adds.