Let me know how you'd like to proceed.
I notice you’ve mentioned — this appears to refer to uLaunchELF , a homebrew file manager for the PlayStation 2, typically used with modded consoles or FMCB (Free Memory Card Boot). Version 4.12 is a specific older release often burned to a DVD to boot on unmodified consoles via disc swap methods or modchips. ulaunchelf v4.12 dvd