The system software update data has been corrupted. Solution: If you are attempting to perform a system software update via a game disc, ensure that the disc is clean and free from dirt, marks or scratches. If you are attempting to perform a system software update via an external storage device, download the system software update data again. If the problem persists, attempt to perform the operation using a different external storage device. If you are attempting to perform a system software update via the Internet, attempt to perform the operation again. If the problem persists, restart the PS3 system and attempt to perform the system software update again. If the problem persists, visit eu.playstation.com/contact to contact Customer Support. For more tips and hints on using your PlayStation system, visit our technical support forums at community.eu.playstation.com.