Can't use Pop-up Pro with Wordpress 4.3.1

I can't add a PopUp Feature Image, when i click "add image" button, nothing happen. The same with "Preview popup" button.

And in Displaying Conditions sector, i can't select any option because it was still loading and didn't allow me to select. You can see -> http://i.imgur.com/qQZM9dd.png

What can i do now?