I don't know why all Altervista plugins in Wordpress Admin is not opening correctly. No interactive UI.
http://s32.postimg.org/wspjo00ed/Sketch.png
http://s32.postimg.org/c9nawy3gl/Sketch1.png
http://s32.postimg.org/e4x9t5yit/Sketch2.png
http://s32.postimg.org/rzsck0idh/Sketch3.png