I bought a Fujifilm A150 camera this week, along with a Lexar 4GB SDHC memory card, and then went to an exhibition (the Banksy one in Bristol) and now I can’t retrieve them on my iMac or PC. I installed all the software so it should work. Also when I insert the memory card and start the camera, I get a ‘Memory card read’ and a Memory card write’ error… HELP!  Read more...