title: Jupyter notebook forbidden access
body: <p>Jupyter starts with everything green until this pops up.</p>
  
  <pre><code>[W 09:25:48.054 NotebookApp] Forbidden
  [W 09:25:48.055 NotebookApp] 403 GET /api/config/tree?_=1510190747959 (127.0.0.1) 1.33ms referer=http://localhost:8888/tree
  </code></pre>
  
  <p>I can't see any files or folders in Jupyter Home screen. When refreshing the page I get a smilar error.</p>
  
  <pre><code>[W 09:29:01.631 NotebookApp] Forbidden
  [W 09:29:01.632 NotebookApp] 403 GET /api/terminals?_=1510190747965 (127.0.0.1) 2.37ms referer=http://localhost:8888/tree
  </code></pre>
  
  <p>It's been a while since I last used Jupyter on this pc, and I think I fiddled around with jupyter's ssl auth last time.</p>
  
  <p>I have tried emptying .jupyter folder and reinstalling it with no success.</p>