I'm getting the -1 error in Wad Manager (v1.4-v1.7). I have a 16 GB USB thumb drive with several wad files on it, plus the ScummVM games. I used to have no problem loading the wads from it, but now I get the -1 error. The funny thing is, the ScummVM games load from it just fine. I have the USB plugged in before the Wii is powered on, and it is properly formatted to Fat32. I also recently updated all of my cIOS files to d2x v7.
Any help would be appreciated. Thanks.
Update: Turns out I just had to change USB ports. So the second one works now? Neat.