HOW TO FIX PS3 SERVICE - FILE CORRUPTION ERROR MESSAGE

GET USB MEMORY STICK FORMAT FAT32 THEN INSTALL PS3 UPDATE ON IT HERE
http://us.playstation.com/support/systemupdates/ps3/pc_update/index.htm

THEN PLUG IN USB STICK THEN TURN ON PS3 FOLLOW STEPS TO RESTORE PS3 THIS WORKS FOR ME ANY TIME I GET BAD PS3 UPDATE OR CRASHED HARD DRIVE.