: New .ps2 files must be formatted before use. In PCSX2 , go to System > Boot BIOS , then select Browser and choose the memory card to format it.

The safest way to obtain a clean Mcd002.ps2 file is to let PCSX2 create it for you.

Many gamers want to download pre-made mcd002.ps2 files that already contain 100% completed game saves. This allows them to bypass grinding and immediately access unlocked features, secret characters, or endgame content. The Safest Solution: Create Rather Than Download

Try using the PS2 BIOS browser in PCSX2 to format the memory card in Slot 2 Reddit.