Dear Cris Melchor, I also have a Sony DSC-S50 digital camera with a C:13:01 error Code problem. A memory stick error also appears on the screen. By replacing the memory stick I have confirmed that there isn't a memory stick error but most probably defective parts in main board. I am presently living in France and have contacted Sony France for repairs. They responded by quoting me an exorbitent sum of money simply to provide me with a repairs estimate. Up to now I have been very satisfied with this camera and hesitate to simply discard it. Can you help me? Yours sincerely Clifford HICKMAN