Recently whenever I play a GameCube backup from DIOS MIOS 2.2 (with a USB drive), sometimes the Wii shuts down. This happens in the middle of gameplay (that means I can get past the splash screen), or whenever the Wii needs to access the USB drive. This happened with two games: Doubutsu no Mori e+ (JAP) Fire Emblem: Path of Radiance (USA) My USB stick is an 8GB SanDisk Cruzer. I use it to backup both GCN and Wii games. It can run Wii games perfectly fine, but I'm having problems with GCN games.