Congratulations New Babywording My Computer Randomly Says "congratulations, You Have Won A New Apple Ipod." Does Anyone Know Why?

My computer randomly says "congratulations, you have won a new apple ipod." Does anyone know why? - congratulations new babywording

I think this is based on a pop-up or other undesirable elements in my system. Recently, my wife downloaded MP3 Rocket and I think that's when it started. How can I get rid of it, you must have Windows Defender and AVG Antivirus.