Ensure your arcade folders contain .zip or .7z files, not loose folders of extracted .bin or .rom data. 2. Rebuild the Library Using the Manual Scanner
Search for on community preservation sites like the Internet Archive. romset+is+unknown+fbneo+fixed+free
Look for "Arcade" or "Retro" preservation archives. Sites like the Internet Archive (Archive.org) often host complete, versioned FBNeo sets that are verified to work without further tweaking. Summary Checklist Ensure your arcade folders contain