463 Mk3 Ultimate.u64 Not Found [better] -

on the MAME emulator using an outdated or incomplete ROM set

If you are using a handheld emulator (like an Anbernic or Retroid) or RetroArch, check which MAME core you are using (e.g., MAME 2003 Plus vs. MAME Current). You must use the ROM set that specifically matches that core's version number. MAME version you are currently using to narrow this down? MAME 182 - several roms not working - Page 2 - Emulation 27 Jan 2017 — 463 mk3 ultimate.u64 not found

(the parent ROM) in your ROMs folder often resolves "missing file" errors for its variations. Update Your Set on the MAME emulator using an outdated or