to all this, I could help, and install another version of xbmc and still gives me the same problem, skatulskijean if you install it from there, I worked perfect but now will not let me watch videos, from Navi-X script if I can see perfectly youtube but youtube script not help, do not you them?

Youtube 3.3.0 now does not work March 20, stays in the "select video quality" and nothing appears.
and try downloading the script again and it did not work
Is there anyone who can help me? would greatly appreciate it

Sorry for my English, use Google translator

greetings from Mexico