When I try to use memory Stick Pro Due 4GB in my Sony Cybershot camera or in my computer with a Memory Stick duo adapter. The message comes up-"Error formatting Memory stick. I was using it in the camera to take pictures and it was fine until after I put the memory stick in the Memory Stick Disk Adapter in the computer. It worked in the computer at first, but when I took it out to put it back into the camera it doesn,t work in either the camera or the computer. In the computer it wants to format the disk. This I cannot do because I will loose all the pictures I took in Singapore on vacaTtion Please help?