Can't read SONY MEMORY STICK DUO 4 GIG (CA...

CAMERA SONY DSC-T-100 SONY I took pictures on vacation tried to download on pc windows xp files were there and than I tried to open file to view the pictures and they wouldn't.I took card out of pc and put back in camera and error code C:13:01 flashes it looks like it don't see the card THE CAMERA SAYS REINSERT CARD pc don't see the card also.I need these pictures. I checked on the web there are people say they can get the picture at a cost of $100.00 with no guarantee. I also tried DATA DOCTOR,DISK DOCTOR,IMAGE RECUE,CARD RECOVERY, AND SONY RECOVERY.Please help me get my pictures.