Red River Polar Gloss Metallic 255 is Beautiful ! Do use soft cotton gloves to protect against finger prints and allow time to thoroughly dry. Really a nice "pop" for that metal effect.
It may be a card read problem. I experienced this and finally replaced my usb hub and it went away. I started by replacing sd cards then the usb card reader then finally the hub. I found the card reader was not a "solid" fit after years of use. gl ;]