Since I joined this site I've not been very active, but I've taken about 40,000 photographs with my Nikon D5200 and some of them were quite good. I have everything backed up at least three times, but I keep finding corrupt jpeg files on my drives. I can't get to the bottom of what's causing it! Looks like some rgb layers are missing some data. It's always on the horizontal regardless of the orientation of the photo. Bit worried about this, I'd hate to lose all my work!