Microsoft security essential released recently is a big help for all the PC world with their genuine operating system. Lot of people start using it..Thanks to microsoft for releasing it so that no hassle for looking Antivirus software and then upgrade it or renew it….use it wisely and nicely…its silent and backend is strong…more info read my blog https://premnair.wordpress.com/2010/05/31/why-security-essential-mse-released-by-microsoft-for-free/