i tried in 4.1, 4.0 and 3.2, i managed to install the systemmenu of the region i wanted ( it was originally 4.2 E and i changed it to 4.2U ) but when i try to change the video mode setting from PAL to NTSC i get the error i mentioned above...any ideas? any other application that can help me change the console video setting mode from PAL to NTSC?