Microsoft Antivirus Software, officially known as Microsoft Security Essentials, is a lightweight anti-virus available free from Microsoft. MS Antivirus concentrates on protection against spyware, malware, bots, worms, adware and other viruses though it does not provide any firewall. It is a trusted name and will not nag you with pop-ups requesting or pushing you to buy any add-on.

With increasing Internet exposure the threats of virus infection becomes manifolds. User’s inability to discern between a trap and genuine request makes the situation even worse. Once your system is infected, you are at mercy of malicious software, which might not only consume your system resources, but also transfer personal info while posing threat to your computer system itself.

According to a study, over 1.5 million users have recently registered for the Microsoft Security Essentials antivirus. Installing it requires validation, thus you should be running a legal copy of Microsoft operating system, like XP, Vista, etc. MS Antivirus is quite user-friendly which can be downloaded and installed in minutes. It will not interfere other activities while running in the background or scanning files, unlike other antiviruses which consume too much of system resources and slow the system down. MS Antivirus uses dynamic signature service of Microsoft to identify latest threats.

The antivirus is getting positive reviews all round and more and more users are opting for it. The antivirus is famous for its lightweight because it consumes very few system resources and produces a very efficient output in terms of virus detection and keeping your computer in safe zone. Sources claim that you will not even notice it running in the background while you do routine tasks.

The antivirus detects malwares and if it stumbles upon something unfamiliar or unknown, then reports it to Microsoft servers for latest updates. It is noteworthy that you should download MS Antivirus from trusted sources like Microsoft website. For more information on other anti virus software, visit http://www.chrissoftware.com.