: FBNeo is frequently updated, and if your ROM set is from an older version (like 0.2.97.44) while the core is newer, the emulator will flag it as "unknown".
Do not just double-click the ROM. Use the built-in audit tool. Romset Is Unknown Fbneo Fixed
"Romset is Unknown" is a common error message in FinalBurn Neo (FBNeo) : FBNeo is frequently updated, and if your