title: Error: EPERM: operation not permitted installing ionic 3 and cordova
body: <p>I am trying to install ionic 3 and cordova for the first time in my desktop.
  I am using windows 7.</p>
  
  <pre><code>npm install -g ionic cordova
  </code></pre>
  
  <p>shows me this error :</p>
  
  <pre><code>npm WARN deprecated node-uuid@1.4.8: Use uuid module instead
  C:\Users\amir\AppData\Roaming\npm\cordova -&gt; C:\Users\amir\AppData\Ro
  C:\Users\amir\AppData\Roaming\npm\ionic -&gt; C:\Users\amir\AppData\Roam
  npm ERR! path C:\Users\amir\AppData\Roaming\npm\node_modules\ionic\no
  .json
  npm ERR! code EPERM
  npm ERR! errno -4048
  npm ERR! syscall unlink
  npm ERR! Error: EPERM: operation not permitted, unlink 'C:\Users\amir
  s\fsevents\node_modules\ansi-regex\package.json'
  npm ERR!     at Error (native)
  npm ERR!  { Error: EPERM: operation not permitted, unlink 'C:\Users\a
  ules\fsevents\node_modules\ansi-regex\package.json'
  npm ERR!     at Error (native)
  npm ERR!   stack: 'Error: EPERM: operation not permitted, unlink \'C:
  \ionic\\node_modules\\fsevents\\node_modules\\ansi-regex\\package.jso
  npm ERR!   errno: -4048,
  npm ERR!   code: 'EPERM',
  npm ERR!   syscall: 'unlink',
  npm ERR!   path: 'C:\\Users\\amir\\AppData\\Roaming\\npm\\node_module
  i-regex\\package.json' }
  npm ERR!
  npm ERR! Please try running this command again as root/Administrator.
  </code></pre>
  
  <p>I tried entering windows PowerShell in administrator mode but the problem is not solved.
  Any idea please ?</p>