Pincat, are you using an A1200 ? if yes, can you copy this ADF on disc, and then dump with it your Metal Mutant disc as *.RAW file and zone it please ?
http://www.kryoflux.com/download/kffree_amiga_3.7.zip
I will check it
BTW : the protection track in track 79 is impossible to copy (on purpose hehe).