does anyone have any idea why a digital camera (casio EX-Z55), that has downloaded to my computer (XP operating system) perfectly for ages should suddenly stop doing so? I use to plug it in and up the photos popped, now I just get an error on the camera screen saying check connections (I have, the USB work with other hardware, and yes the camera downloads fine to other computers)

I have had a system reload recently, and I couldnt say my computer is te most stable thing, but it and the camera have worked perfectly together in the past

I know this may be something to do with my computer not the camera. But has anyone ever had to alter a security setting or do something techy (Im not very techy but game to learn) to solve such a problem?

Any ideas appreciated
Andy