I had upgraded from Ubuntu Gnome 14.04 to 16.04. All of a sudden this issue cropped up! None of my usb sticks would work properly. However, after following the comments here and running killall nautilus, then restarting it solved the problem.
I had upgraded from Ubuntu Gnome 14.04 to 16.04. All of a sudden this issue cropped up! None of my usb sticks would work properly. However, after following the comments here and running killall nautilus, then restarting it solved the problem.