title: npm package installation error (express, ember)
body: <p>I've been trying to install ember and express in my windows 8.1 for learning. I face the similar error in both packages ember and express while using the following command.</p>
  
  <p><code>npm install -g express-generator</code></p>
  
  <p>I have attached the cmd error page for better understanding of the error. I am new to express and ember, just now starting to learn please help me out.
  thanks.<a href="https://i.stack.imgur.com/XZeIv.jpg" rel="nofollow noreferrer">image here</a></p>