No such interface supported

[GodExpects]

I work with ebooks - saved as epub -
It is no longer opening in Freda -
I click on the book title (has a Freda - logo in front) and it gives me an error "no such interface supported"

Here is a screen shot attached:

Can you still start Freda in the usual way (from the PC menu)?  If you can, what happens when you click on Freda's Folder book source?  That should pop up a file-browser window that you can use to open the epub book.

Yes I can still start and use Freda in the usual way - books already loaded are accessible - it is bringing new books - I click on source folder - epubs do not show up in the directory - if I go to my file explorer they are there and show that the can be opened with Freda but it is in explorer that I get the message "no such interface supported" - from my research it seems to be a problem with Windows Explorer... tried reset and all but no avail.  I tried an alternative File Explorer (2 different ones) and the epub files open from them - just not Windows Explorer.  And Freda does not see from source the new files I want to bring in... 
Thinking maybe to try and remove Freda and reinstall it (Window 11 upgraded after I installed Freda - and it was working fine for a while then quit).

Question: If I uninstall Freda and reinstall it will I lose books or will the save/merge function let me restore everything?