title: jupyter notebook ERROR PERMISSION DENIED:UNTITLED IPYNB
body: <p>when i type jupyter notebook in command prompt i get it in a web browser but when i open a python-3 notebook its showing error</p>
  <p>A dialoq box comes with the following things</p>
  <pre><code>Creating Notebook Failed
  An error occurred while creating a new notebook.
  Permission denied: Untitled ipynb
  </code></pre>
  <p><a href="https://i.stack.imgur.com/lE3bt.png" rel="nofollow noreferrer">screenshot of  the error</a></p>
  <p>this is what comes in the command propmt</p>
  <pre><code>[I 15:17:21.898 NotebookApp] Creating new notebook in
  [W 15:17:22.435 NotebookApp] 403 POST /api/contents (::1): Permission denied: Untitled.ipynb
  [W 15:17:22.437 NotebookApp] Permission denied: Untitled.ipynb
  [W 15:17:22.462 NotebookApp] 403 POST /api/contents (::1) 565.45ms referer=http://localhost:8888/tree
  </code></pre>
  <p>also yesterday i had changed my deafault jupyter notebook  browser by generating conifg and made it to chrome but that wont be the problem rt?please give a detailed explanation?
  also i heard it has something to do with directory name if that is the case tell me how to change it
  thanks</p>