I have a usb flash drive with sandisk u3 software that was password protected. My home computer was XP. My work computer is windows 7. When I put the flashdrive in it could not read it and asked if i wanted to download the sandisk windows7 compatible software. so i said yes. When the question came up if I wante to format my usb drive. I said no. Now it is not seeing any of my original data. Either under xp or windows 7. I have the turbo tax data files from last tax season that i did not make a back-up, that was included. Does anyone know how I can recover the USB data?