Full path missing for C drive only

Sunny day, all was well; -- until --, I changed some setting that only affects the C: drive. I checked the Folder Format tool; however, can not identify any values for C: drive that are different than for the other drives.

A bit embarrising that I can not figure this problem out. Thank you'all for your patience and support.

C DRIVE - Missing path in file display pane

E DRIVE - Other drives display full path

Looks like Drivers has focus but is not selected.

I can't see anything wrong or inconsistent between the two screenshots. Can you point to the problem?

You haven't actually navigated into that folder, you've just expanded sub-folders to show their contents.

Single-clicking a folder in the tree (panel on the left) navigates, but clicking a folder in the file display (panel on the right) normally just selects it for file operations.

(Double-clicking a folder in the file display will normally navigate to that folder).

Thank you