Never mind! I haven't used DNG Converter for a while. When you select the folder it says "No items match your search" and no files are displayed. But just clicking Convert works. I feel foolish...
This has just happened to me: I sometimes use Adobe DNG Converter to make DNG files from my M50's CR3 RAW files, but it doesn't see them anymore. I updated the converter to the latest version (17.1.0.2100), but it also doesn't see them. I then tried ...