MAMEUI: “Error: required files are missing, the game cannot be run” – Fix

The MAMEUI video game emulator for PC will commonly throw an error that says:

Error: required files are missing, the game cannot be run

MAME error

This error can be caused by the game roms not being loaded properly, a misplaced EXE file, or video problems. To fix the issue, try the following.

1. Ensure game roms are in the proper folder. The EXE file that runs MAMEUI must be in the same location as the roms folder. Make sure you haven’t dragged the EXE to the desktop or another location, as it will not work properly without the folders in the proper place.

MAME file locations

2. Make sure the video game roms are not corrupted and preserved in the ZIP format. Do not unzip the files.



3. If you are sure everything is in the proper spot, the problem could be caused by video issues. You can often fix it by selecting Options > Default Game Options > Advanced and ensuring that Switch resolutions to fit is unchecked.

MAME default game options

MAME switch resolutions setting


  1. jaleel says

    i will switch resolutions to fit is unchecked. game not playing it say
    1-5n.bin NOT FOUND
    1-6n.bin NOT FOUND
    1-7n.bin NOT FOUND
    1-8n.bin NOT FOUND
    1-11c.bin NOT FOUND
    1-3d.bin NOT FOUND
    2-2a.bin NOT FOUND
    2-3a.bin NOT FOUND
    2-4a.bin NOT FOUND
    2-5a.bin NOT FOUND
    2-6a.bin NOT FOUND
    2-7a.bin NOT FOUND
    2-2n.bin NOT FOUND
    2-3n.bin NOT FOUND
    2-4n.bin NOT FOUND
    2-5n.bin NOT FOUND
    e8.bin NOT FOUND
    e9.bin NOT FOUND
    e10.bin NOT FOUND
    d1.bin NOT FOUND
    j2.bin NOT FOUND
    c9.bin NOT FOUND
    82s126.9k NOT FOUND
    82s129.8n NOT FOUND
    Error: required files are missing, the game cannot be run

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