Why you dont just remove DIOS MIOS by overwritting it with the original MIOS. Its outdated and not mainted anyway since 2014. Nintendont is uptodate.I have read that this could be because I had installed DIOS MIOS at some point, which I had indeed before a reformatted my Wii system. So the issue with GameCube backups could be due to a wrong MIOS too I suppose since the symptom is the same?
Thread 1: How to remove DIOS MIOS
Thread 2: Uninstalling Mios in 2018
Guide (uninstall at bottom): DIOS MIOS Guide
Last edited by Sypherone,