If a game won't load, make sure you have the parent ZIP file in the same folder.
If you updated your RetroArch Cores recently, your old ROMs might now be "outdated." romset is unknown fbneo fixed
These require a "Parent" ROM to function. If you have a "Clone" (like a Japanese version of a game) but not the Parent (the World version), it will appear as unknown or broken. 3. Update Your BIOS Files If a game won't load, make sure you
Are you comfortable using like ClrMamePro? If even one byte is different from the
When you scan your library, the emulator checks the CRC (Cyclic Redundancy Check) of every file. If even one byte is different from the official database, the ROM won't load.
If you'd like to get your library fully operational, I can help you further. Let me know: Are you using or the Standalone FBNeo ? Which specific game is giving you the "Unknown" error?