title: Jupyter notebook not trusted
body: <p>I am using Anaconda to work on a Jupyter notebook which displays "Not Trusted" (see on screenshot below). </p>
  
  <p><a href="https://i.stack.imgur.com/h2pjL.png" rel="noreferrer"><img src="https://i.stack.imgur.com/h2pjL.png" alt="enter image description here"></a></p>
  
  <p>What does it mean? Is it a problem? How can I solve it?</p>