Wii U USB Helper - provide ISO (injection)

Please, can anyone help? I was going trough this tutorial: but it looks like somewhere is a mistake because it won't allow me to download the games.

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Wii U USB Helper - SteamGridDB

WiiU Usb Helper ( Game Cube Injection ) Help

RELEASE] Wii U USB Helper, a small eShop for Windows !

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WiiU usb helper issue with Gamecube iso

Nice to Have my top paper Mario games at the top on one console

Download Wii U USB Helper 0.6.1.655 for Windows

Can someone help me : r/wiiu

Wii U USB Helper - Errors with the injector tool (and Mario Kart

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Scena Wii U] Rilasciato TeconMoon's WiiVC Injector v3.0.1

RELEASE] Wii U USB Helper, a small eShop for Windows !