Yah I used the free macfee trial even tho its crap and it found nothing, I have not tried to install or reinstall because its not my desktop also happened on my tablet, and I will try to go into more detail tomorrow because its 2am and I am tired.Hmm I cant get it to happen at all anymore, I cant really give anymore detail if you have any more specific questions just ask them and I will try to give a better answer.