MusicBee 3.4 Plays music without sound

[stardepp]

Yesterday evening MusicBee had still played the music properly with sound. But today MusicBee played again, but music is played without sound.

No idea where the error comes from, but I have the MusicBee3Settings.ini linked here.

MusicBee3Settings.ini

[Steven]

Please use the forum search function before posting
https://getmusicbee.com/forum/index.php?topic=37170.0
and if that is not the solution, consider what has changed on your computer/ audio setup rather than automatically assuming its musicbee's fault