title: npm install give Error: EPERM, unlink
body: <p>using command npm install give the following error </p>
  
  <p>Error: EPERM, unlink</p>
  
  <p>System info:
  Bower version: 1.3.12
  Node version: 0.10.35
  OS : Windows8</p>
  
  <p>I tried below workaround but nothing is worked out.</p>
  
  <ol>
  <li>clean bower cache</li>
  <li>uninstall bower </li>
  <li>Update decompress-zip using npm</li>
  <li>install the bower again  </li>
  </ol>
  
  <p>Its not worked for me please suggest me some solution</p>