If you are using a USB Loader (like USB Loader GX or WiiFlow) on a FAT32 drive, your folder structure needs to be precise. The standard convention is:
Have questions about converting files or setting up your USB drive? Drop a comment below! wbfs for wii
If you are strictly playing on a real Wii using USB Loader GX or WiiFlow, WBFS files are perfectly fine and offer great storage savings. If you are archiving or using Dolphin Emulator, look into NKit. If you are using a USB Loader (like