If you downloaded the file but MAME still claims it is missing, you are likely facing one of two common emulation hurdles: Version Mismatch
The file name follows a strict nomenclature used by Sega and the Multiple Arcade Machine Emulator (MAME) team: Epr-18022.ic2 Mame Download
To explore this topic further, tell me you are trying to launch or which version of MAME you are currently running. Share public link If you downloaded the file but MAME still
The Ghost in the IC2: Unearthing EPR-18022 for MAME – A Weird Piece of Arcade History Epr-18022.ic2 Mame Download