Hello, I’ll start with an example. Say I want to run: machine: pce softwarelist: pcecd software: 4in1 (disk) MAME tells me: [cd] super cd-rom system (japan) (v3.0).pce NOT FOUND (tried in pce\scdsys scdsys pce) Fatal error: Required files are missing, the machine cannot be run. OK I get it I need so...