A few days ago, I started getting the "damaged SD card" error whenever I turned on my phone. Taking the SD card and re-inserting it sometimes makes it go away, and other times I have to restart the phone. I believe that the problem may have been caused when I was downloading an application and it got interrupted. I've heard that can damage the file making the SD card unreadable. Is there a way to just get rid of that file, or do I still need to reformat the card?