guys i have a serious problem.i have 3230.suddenly all my memory card data is not showing up.it does not shows me images or videos.but when i see my memory details it shows that my whole memory is full.when i opened my memory card on a computer it does not shows anything ang some files it shows has something written in some stars and triangle languages.can you tell me if it is a virus and can i get my data back.pleaseee help.