Thank you all. Return to factory settings did the trick.
Maybe no use to ask what happened, software can be tricky.
What counts is that BiaB is now running smooth again.


Band in a Box UltraPak 2026, Fender Studio Pro, Fender Notion, NI Komplete Audio 6, Nektar Panorama P6, KAWAI VPC1, Presonus Atom, Win 10 64 Pro