If you are searching for the best free Antivirus Software to secure your PC, I suggest you to Use Microsoft Security Essential. Microsoft Security Essential is a Antivirus product of Microsoft Corporation. It runs in very version of Windows. Its very lite, and most powerful anti virus software I ever used. I have been using this software from its first release i think its more then three year.

Hardware requirements for Microsoft Security Essentials differ, depending on the operating system. For Windows XP, Microsoft Security Essentials requires at least a 500 MHz processor and 256 MB of RAM. On Windows Vista and Windows 7, Microsoft Security Essentials requires a 1 GHz processor and 1 GB of RAM. Under any compatible operating system, a VGA screen of 800 × 600 or higher, 140 MB of free space, and an Internet connection are also required.

You can use Microsoft Security Essentials to guard against viruses, spyware, and other evil software. It provides real-time protection for your home or small business PCs. Microsoft Security Essentials is free and is simple to install and easy to use. It runs quietly and efficiently in the background so you don’t have to worry about interruptions or making updates.

Also you can update Virus Database offline too, you can download the latest Virus definition from the Microsoft Security Essential Protection Center and install it offline in your system. Its free but to use this Antivirus your system must pass the Microsoft Genuine Validation Check.

If your system didn’t pass the Microsoft Genuine Validation Check, you don’t need to worry. I too have the solution for you. Find the post named “Install Microsoft Security Essential without Genuine Validation Check“, follow the instructions and go…

I am using this antivirus software and its my favorite antivirus, no need to pay any extra bucks every year for the license or renew. So, if you haven’t used this antivirus yet and is still searching for the best antivirus software then your search ends now, try this antivirus you will get smile in your face coz i got already. And I am safe from Virus and Trojans and other.

MSE is my computer….

During Scanning

Computer is Protected Now.

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