461-mortal-k-4-25-u76.u76 Not — Found __exclusive__

If the file is corrupted locally:

If you are using a newer version of MAME , it may require a different ROM set than older versions. The "u76" naming convention is specific to certain historical dumps of the game. 461-mortal-k-4-25-u76.u76 not found

If you are using a modern version of MAME (e.g., v0.231 or higher), you should look for a "MAME [Version] ROM Set" specifically. Sites like the Internet Archive host reference sets that are compatible with specific emulator versions. If the file is corrupted locally: If you

The error message typically occurs in the context of the 1997 fighting game Mortal Kombat 4 (MK4), specifically when running the PC version or using certain emulators/modifications. What Does the Error Mean? Sites like the Internet Archive host reference sets

The error message indicates that your arcade emulator (likely MAME) is missing a critical security chip file required to run Mortal Kombat 4 (Version 3.0) .

This is a standard file system error indicating that the emulator or software expects a file with that exact name to exist within a directory or ZIP archive, but it is missing. Common Causes