Follow these steps:

Run this to clear the programs and settings, then reinstall R16, then the R17 beta over the top.

https://forum.dbpoweramp.com/showthr...rom-the-System

Once R17 is installed, select 1 file >> right click >> convert to >> choose multi-encoder, add mp3 with the naming above, add flac with the same naming, and click convert.

It should work.