- Windows® Firewall integration: Microsoft Security Essentials setup allows you to turn on Windows Firewall.
- Enhanced protection from web-based threats: Microsoft Security Essentials has enhanced integration with Internet Explorer® which helps prevent malicious scripts from running and provides improved protection against web based attacks.
- New and improved protection engine: The updated engine offers enhanced detection and cleanup capabilities and better performance.
and the background image of the product has also changed. Also regarding to my earlier post http://sadjadbp.spaces.live.com/blog/cns!21F12BB61B822DFA!7323.entry about the problems with two product with the same name under Microsoft Security Essentials in WSUS, now I can say the "MS Security Essentials" is the new version so they should’ve called it "Security Essentials V2".