Unfortunately this was not the correct answer.
Everything was up to date and reinstalling the app didn't work either.
Thank you for the response though.
Problem: audio not working partially.
When: voice chat in-game (not in discord etc), during some games (detailed audio)
I built this PC myself (which is why I'm worried).
Specs:
Aorus z370 (motherboard)
Geforce GTX 1060
16GB Ram Corsair Vengeance
Intel i7 8700K
Audio:
Logitech G933 (drivers...