title: virtualenvwrapper error - all mkvirtualenv already exists
body: <p>So I am new in Python. I install the latest Python 3.6.2 and installed virtualenvwrapper via</p>
  
  <pre><code>pip install virtualenvwrapper-win
  </code></pre>
  
  <p>but the problem is whenever I run the command mkvirtualenv it throws me an error about the virtualenv already exists, whereas I have not created any virtual environment yet.</p>
  
  <p><a href="https://i.stack.imgur.com/XXYsP.png" rel="nofollow noreferrer">enter image description here</a></p>