Wow, that's strange. Can you send a pic? which platform are you playing on?
I'm playing on a Windows computer, it's had problems before, but generally only with running speed. It's not even close to a perfect one, so chances are it's just an issue with a virus of some sort that's been on here for a while. Sorry for the bad quality, I couldn't take a screen capture so I had to take a picture and raise the brightness.