Instructions
Take any CDs, games or DVDs out of your PlayStation 2 console. Turn the console off.
Plug the PS2 memory card that has corrupted data on it into one of the memory card ports on the console. This is on top of the controller port on the front of the gaming console.
Turn the PS2's power button on the front of the system. Choose the PS2 "Browser" from the options on the screen by pressing the "X" button on your PlayStation 2 controller.
Scroll over to the memory card by using the joysticks on the controller. Press the "X" key on the controller to select the memory card.
Choose the corrupted game file by scrolling onto it with the joystick on your controller and press the "X" button to select it.
Choose "Delete" from the options given to delete the data from your memory card. The corrupted data has been removed.