same issue here. I have about 70 games out of 700 coming up with this message
611 - 0 Story.cue
Broken link (linked file not found).
612 - Black-Matrix II.cue
Broken link (linked file not found).
613 - Chulip.cue
Broken link (linked file not found).
614 - Contra - Shattered Soldier.cue...
Was this just a cIOS issue? My issue is similar - launching games through usbLoaderGX results in a black screen with the controller disconnecting. The wii stays on, and I even had SimAnimals launch after waiting at the black screen for about 10 minutes. Wouldn't happen again though.