About Microsoft Security Essential : ......

                                   Microsoft Security Essentials (MSE) is a free antivirus software product created by Microsoft that provides protection against different types of malware such as computer virus, spyware, rootkits and trojan horses for Windows XP (x86), Windows Vista, and Windows 7 (both x86 and x64). Microsoft Security Essentials replaces Windows Live OneCare, a commercial subscription-based antivirus service and the free Windows Defender, which only protected users from adware and spyware. Unlike Microsoft Forefront family of enterprise-oriented security products, Microsoft Security Essentials is geared for consumer use....

Features : -

MSE is a security suite designed for consumers and lacks centralized management features which are found in Microsoft Forefront Client Security. It includes the same anti-malware engine (dubbed "Microsoft Malware Protection Engine", or MSMPENG for short[not in citation given]), and virus definitions that all other Microsoft desktop anti-malware products share, including Forefront Client Security, Windows Live OneCare, and Windows Defender[not in citation given] (Defender excludes the antivirus definitions which are separate from the antispyware definitions). Before installation, MSE checks for the validity of the installed copy of Microsoft Windows. MSE requires no registration or personal information. MSE will disable Windows Defender, as it provides protection against malware, not limited to spyware and adware.

In February 2010, a rogue security software package calling itself "Security Essentials 2010" appeared on the Internet....

Limitations : -


   * It Reqiures Genuine Microsoft Windows....
   * We have to face many Errors regarding to Microsoft Security Essential Update...

                  After seeing this limitations....this Limitations can be afford from my point of view,Microsoft Provides a FREE Antivirus System for their Users..,And It Work very well I think.....So go for M.S.E ......