Hahaha... Wooohoooo!!!! thaks for all the info.... Same error -- we were going crazy . We have a cybershot DSC F717. Same C:13:01 ERROR manual says check memory stick, reformat....blah, blah. I SMACKED it 3x light on the butt, and one big SLAP. Like the bottom of the camera with my hand. It's working now!!!!