title: npm install -g expo-cli fails with "EPERM: operation not permitted, unlink '...\adb.exe'
body: <p>I receive an error when running</p>
  
  <pre><code>$ npm install -g expo-cli
  </code></pre>
  
  <p>I have tried reinstalling the node modules as An Administrator but the same error occurs.</p>
  
  <p><strong>Environment:</strong>
  Windows 10,
  Node Version: <code>10.15.3</code>,
  NPM Version: <code>6.9.0</code></p>
  
  <p>I expect the install to happen but an error like this occurs:</p>
  
  <blockquote>
    <p>npm ERR! path
    C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules.xdl.DELETE\binaries\windows\adb\adb.exe
    npm ERR! code EPERM npm ERR! errno -4048 npm ERR! syscall unlink npm
    ERR! Error: EPERM: operation not permitted, unlink
    'C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules.xdl.DELETE\binaries\windows\adb\adb.exe'
    npm ERR!  { [Error: EPERM: operation not permitted, unlink
    'C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules.xdl.DELETE\binaries\windows\adb\adb.exe']
    npm ERR!   cause: npm ERR!    { Error: EPERM: operation not permitted,
    unlink
    'C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules.xdl.DELETE\binaries\windows\adb\adb.exe'
    npm ERR!      errno: -4048, npm ERR!      code: 'EPERM', npm ERR!<br>
    syscall: 'unlink', npm ERR!      path: npm ERR!<br>
    'C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules\.xdl.DELETE\binaries\windows\adb\adb.exe'
    }, npm ERR!   stack: npm ERR!    'Error: EPERM: operation not
    permitted, unlink
    \'C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules\.xdl.DELETE\binaries\windows\adb\adb.exe\'',
    npm ERR!   errno: -4048, npm ERR!   code: 'EPERM', npm ERR!   syscall:
    'unlink', npm ERR!   path: npm ERR!<br>
    'C:\Users\Griseld\AppData\Roaming\npm\node_modules\expo-cli\node_modules\.xdl.DELETE\binaries\windows\adb\adb.exe',
    npm ERR!   parent: 'expo-cli' } npm ERR! npm ERR! The operation was
    rejected by your operating system. npm ERR! It's possible that the
    file was already in use (by a text editor or antivirus), npm ERR! or
    that you lack permissions to access it. npm ERR! npm ERR! If you
    believe this might be a permissions issue, please double-check the npm
    ERR! permissions of the file and its containing directories, or try
    running npm ERR! the command again as root/Administrator (though this
    is not recommended). </p>
  </blockquote>