What's New in the Microsoft Security Essentials Beta?
This Beta version of Microsoft Security Essentials includes the following new features and enhancements to better help protect your PC from threats:
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.