November 30th, 2011· Enhanced protection through automatic malware remediation: The Beta program will clean highly impacting malware infections automatically, with no required user interaction.
· Enhanced performance: The Beta includes many performance improvements to make sure your PC performance isn’t compromised.
· Simplified UI – Simplified UI makes Microsoft Security Essentials Beta easier to use.
· New and improved protection engine: The updated engine offers enhanced detection with cleanup capabilities and better performance.