How to reproduce:
- Right-click a folder in Dolphin (or some other suitable file browser). So that the test makes sense the folder should contain at least one (detached) signed or encrypted file.
- Select "Decrypt/Verify All Files In Folder".
Expected result:
Kleopatra does what I asked for.
Actual result:
Kleopatra shows an error message:
Failed to find encrypted or signed data in one or more files.
If they contain signed or encrypted data please report a bug (see Help->Report Bug).
I have not checked if this also happens on Windows.