Some download sites split large games into .wbfs , .wbf1 , and .wbf2 parts. Punch-Out!! is small enough that this rarely happens, but if it does:
Punch-Out!! (Wii) working as a WBFS file on your console, you need to ensure the ROM is properly converted and that your USB loader settings are configured to handle its specific dual-layer data or anti-piracy checks. 1. Correct File Conversion If you have an file, you must convert it to using a dedicated tool like Wii Backup Manager punchout wii rom wbfs work