I have the Same issue and i would love some help. I have system Menu 4.0U, i have HBC v1.0.3. The nunchuk is the one that came with my Wii... the only one i have to test. my wii is version LG60. the nunchuk works with twilight princess, Wii play, wiisports and the Simpsons game,(all official no backups). doesn't work with quake helium boy and the emulators for the HBC.I have not had any prevby chompy - Homebrew General