I have a problem in my LG 55UF8500

When I watch TV, the imagem is ok. But when I open the Smartv menu, the frames become distorted.
Has anyone had this problem and should help me?

I tryed a donwgrade with Simon's LgDTVUpDater , but doesn't work. I think what my television has a Brazilian or Latin American firmware and don't recognizes in this software.

Ps. I did the fatory reset, but the problem persist



Follow the below a video link