Help Center › Common problems
Record does nothing / no sound bar moving
From the app’s Help panel
Record does nothing / no sound bar moving
The mic was blocked. System Settings → Privacy & Security → Microphone → turn on Tentaku, then press Record again. Do it before class: Settings → “Let the microphone in now”.
On Windows: Settings → Privacy & security → Microphone → allow desktop apps.
Still stuck? Email [email protected] — include which tab you were on and what you pressed.