Which are you running? (RetroArch, RetroPie, or a standalone emulator?)
Using a newer romset (like 0.250) with the MAME 2003 core will result in games failing to launch or crashing, as the file structures and "dumps" of the games have changed over the last two decades. Understanding the Romset Structure mame 078 romset
The clone games rely on the parent ZIP file to run. If you delete the "Parent" file, the "Clone" will no longer work. Key Games Included in the 0.78 Set Which are you running
Since the 0.78 set is decades old, many files have been renamed or updated in newer versions of MAME. To ensure your files are correct, enthusiasts use a tool called . Which are you running? (RetroArch
I can give you a for your specific setup.
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