title: how to quit/close Anaconda Navigator
body: <p>When I tried to launch Anaconda Navigator, the screen shows that I have Anaconda Navigator opened. But I couldn't find it on my task bar. The exact language is: There is an instance of Anaconda Navigator already running. I'm using Windows 10. </p>
  
  <p>How can I force Anaconda Navigator to quit and relaunch it. Thank you so much. </p>