: If you're trying to run an emulator or a game, the program might not be able to find the scph5501.bin file because it's either not in the correct directory or the path to it is not properly configured.
Because legal BIOS dumping is cumbersome, most users ignore the law. If you choose to download it, understand the risk is low for personal use, but the file is technically stolen intellectual property. scph5501.bin missing
Or perhaps: "Could not find SCPH5501.BIN. Emulation will now stop." : If you're trying to run an emulator