I am trying to run a backup of Big Brain academy but when I reun it from my USB HDD with Neogamma r7, I get a flickering screen. I can see the wiimote menu in the backgrouns but the frame keeps shifting and its in black and white. I have tried to force the region in both PAL 480 P and I and NTSC 480 P and I. Either the system freezes or it does not fix the problem at all. Any suggestions? Thanks!