Dear All,
Sorry for not writing in german, but I like this forum and use google translate when my german isn't good enough.
When I had similar problems I found a script-hack for the context menu in Windows.
Adding "Make Playlist(s)" to Folder Context Menu
Author: greenday1987 This is taken from another forum but it's handy if you download or rip music and for whatever reason it doesn't have an M3U playlist file…
musicbee.wikia.com
It might help you get away from the problems you have.
Best regards,
Jesper (Sweden)
Ordered: Opel Insignia Sports tourer MY14,5 2.0 biturbo 4x4, Asteroid grey