I have Windows Defender - So ?

http://www.screencast-o-matic.com/screenshots/u/Lh/1428589089520-80191.png

Think Windows Built-In Antivirus Will Keep You Safe? You’re Wrong

Don’t forget this article…

http://www.howtogeek.com/173291/goodbye-microsoft-security-essentials-microsoft-now-recommends-you-use-a-third-party-antivirus/