title: How to ignore script errors in Webbrowser
body: <p>What happens when I close my app, which uses webbrowser. The following url uses flash player.</p>
  
  <p><img src="https://i.stack.imgur.com/0El4I.jpg" alt="alt text"></p>
  
  <p>Everything works fine. This error shows on app close. How do I ignore it?</p>