title: Npm install angular/cli error EPERM Operation not permitted
body: <blockquote>
    <p>4399 error Error: EPERM: operation not permitted, unlink
    'C:\Users\deven\AppData\Roaming\npm\node_modules.staging\tmp-5fcc012e\README.md'
    4399 error  { Error: EPERM: operation not permitted, unlink
    'C:\Users\deven\AppData\Roaming\npm\node_modules.staging\tmp-5fcc012e\README.md'
    4399 error   cause: 4399 error    { Error: EPERM: operation not
    permitted, unlink
    'C:\Users\deven\AppData\Roaming\npm\node_modules.staging\tmp-5fcc012e\README.md'
    4399 error      errno: -4048, 4399 error      code: 'EPERM', 4399
    error      syscall: 'unlink', 4399 error      path:
    'C:\Users\deven\AppData\Roaming\npm\node_modules\.staging\tmp-5fcc012e\README.md'
    }, 4399 error   stack: 'Error: EPERM: operation not permitted, unlink
    \'C:\Users\deven\AppData\Roaming\npm\node_modules\.staging\tmp-5fcc012e\README.md\'',
    4399 error   errno: -4048, 4399 error   code: 'EPERM', 4399 error<br>
    syscall: 'unlink', 4399 error   path:
    'C:\Users\deven\AppData\Roaming\npm\node_modules\.staging\tmp-5fcc012e\README.md',
    4399 error   parent: '@angular/cli' } 4400 error The operation was
    rejected by your operating system. 4400 error It's possible that the
    file was already in use (by a text editor or antivirus), 4400 error or
    that you lack permissions to access it. 4400 error 4400 error If you
    believe this might be a permissions issue, please double-check the
    4400 error permissions of the file and its containing directories, or
    try running 4400 error the command again as root/Administrator (though
    this is not recommended). 4401 verbose exit [ -4048, true ]</p>
  </blockquote>