I’m going to assume this is on a Windows 8 machine.
I had the same thing happen when I first got mine. It was because of Malware. I ditched the supplied (McAffe) protection software and picked up a copy of WebRoot from the guys at Geek Squad.
Cleared it right up.
Hope this helps.
Don't go around saying the world owes you a living. The world owes you nothing. It was here first.
- Mark Twain