Getting Punch-Out!! (Wii) to work as a WBFS file on original hardware requires a specific file structure and correctly configured homebrew settings. Many users encounter black screens or crashes because of improper naming, corrupted transfers, or missing custom IOS (cIOS) files. Essential Setup for Punch-Out!! Wii WBFS
If you experience a black screen or a "DSI Exception" error when launching the game, try these troubleshooting steps: punchout wii rom wbfs work
Solution: Manually update the titles.txt file in USB Loader GX, or simply ignore it. The game will still boot. Getting Punch-Out
He thought about the people who had made this possible. The developers at Next Level Games. The hackers who cracked the Wii’s encryption. The forum users who wrote the guides on "how to convert .ISO to .WBFS." They were all strangers, but together, they had built a time machine. A Wii console (original Wii, not Wii U)
Witgui: Use this alternative if you are on a Mac to handle WBFS conversions and drive management.