Paragon support came through! I sent a request just before my original post here. All I had to do was open a command prompt as administrator...
In Windows Explorer, it shows the disk letter, but no meter indicating how full it is. And when I try to access it, it says I need to format it....
I'm using the latest version of Paragon B&R on Windows 8 64-bit. I attempted to reduce the size of my backup capsule, and let it run overnight....
Separate names with a comma.