The error is fixable in 99% of cases – almost always cIOS or port selection.
However, nothing ruins a nostalgia trip faster than an error message. Perhaps the most dreaded popup for new homebrew users is the notification: You plug in your hard drive, fire up the loader, and instead of seeing your game list, you are met with a black screen or a popup telling you the drive failed to mount. Wii Usb Loader Gx Usb Device Not Initialized