Bouncing zzzzzzz

[unicornlinzy1]

Hello, Every 20 seconds I keep getting two bouncing zzzz in sector 1 over my windmills :(
http://prntscr.com/3ubrhj

Edit: now my game is freezing every 20 seconds, and it won't let me put more than two things in my build queue.
http://prntscr.com/3ucoiv