Instructions
Power on the console and go to the "Guide" menu by pressing the "Guide" button on your controller.
Select "System Settings" from the "Settings" tab of the "Guide" menu. The menu will close and the "System Settings" window will appear.
Open "Memory."
Scroll down to your "Hard Drive" then press "Y" on the controller.
Select "Clear System Cache." A prompt will appear asking you to confirm the cache clearance.
Select "Yes" to confirm the cache clearance.