Unable to run demo "voiceCapture" on Psychopy 3.2.3

Builder
3

Trying the same demo on a PC (Windows 10 Pro)

It run smoothly once, but then upon being re-run (several times) it started to generate this apparently infinite loop:

MicDemoProblem_psychopy
MicDemoProblem_psychopy400×656 15.2 KB

Rebooting the PC did not help… Thanks again