FLStudio (at least going back to v11, which I upgraded from to try and shed the issue). In the middle of playback, the MIDI devices will refresh. This stops the playback and then starts it over from the beginning ...
FLStudio 20.1.2 build 887 64 bit, Windows 10. I do not have connected any midi controller or other devices. I have also unchecked the Enable radio button of the input of the MIDI input/output setting window as also the master ...