Below is a screenshot of a puzzle I am not smart enough to figure out.

I have an internal backup disk that contains two main directories, called "Disk 1" and "Disk 2". "Disk 1" is the backup of my C: system drive; Disk 2 is the backup of my D: Data drive.

The "Disk 1" backup is not a clone or restorable copy of the system drive, it contains only the files that aren't "in use" or "access denied" during the backup process. The great majority of the files are copied over.

On top is my Windows Explorer view of the contents of my "C:\Users" directory.

Underneath it is the view of the same directory on my backup disk.

Why does the "All Users" directory on the C: System drive not show in Windows Explorer? It absolutely exists. As an experiment I renamed the "All Users" directory on the backup disk to "xxAll Users", and the backup program dutifully removed the "xx" version and recreated the "All Users" directory, subdirectories and files from the invisible "All Users" directory on the C: system drive. I watched it copy, file by file, from "C:\Users\All Users" to "E:\File 1\Users\All Users".

There is a file I wish to get rid of in the "C:\Users\All Users" directory, and another that I want to teach my backup program to ignore, and I can't do that without access to the directory.

Can anyone (a) tell me what is going on here, and (b) show me how to fix it?

tanstaafl.