Versions
Calibre 5.27
Windows 10 Home Version 21H1 Build 19043.1237
I believe they are both at the latest version level.
If I Edit Metadata on any entry and hit the browse button under "Change Cover" and try to open the file "Test2.jpg" I get the error:
--------------------------
calibre, version 5.27.0
ERROR: Not a valid picture: C:\Users\johne\Desktop\Test2.jpg is not a valid picture
------------------------
|