Nor dare to tell if Microsoft Security Essentials free anti virus protection – at least not very loudly. Microsoft launched just over a month since its free anti-virus Security Essentials, and since then I drove it to one of my computers. With the launch of Windows 7, Microsoft wants to make a safer system. Now after a month can be seen that this was not the case. Today, security companies that develop commercial antivirus clearly nervous .Microsoft Security Essentials has received good reviews and for many users, it is a completely accepted alternative to buying a security suite. Even Microsoft itself is clearly nervous over its own launch.