title: Spawn cmd.exe Enoent error on running react native project
body: <p>I have made a react native project using <code>react-native init HelloWorld</code>. When I am running this project using <code>react-native run-android</code> , I am getting this error. </p>
  
  <pre><code>events.js:183
    throw er; // Unhandled 'error' event
    ^
  
  Error: spawn cmd.exe ENOENT
  at _errnoException (util.js:992:11)
  at Process.ChildProcess._handle.onexit (internal/child_process.js:190:19)
  at onErrorNT (internal/child_process.js:372:16)
  at _combinedTickCallback (internal/process/next_tick.js:138:11)
  at process._tickCallback (internal/process/next_tick.js:180:9)
  </code></pre>
  
  <p>On running <code>react-native info</code></p>
  
  <pre><code>Scanning folders for symlinks in D:\Work\_mine\react- 
         native\HelloWorld\node_modules (37ms)
  
  React Native Environment Info:
  System:
    OS: Windows 10
    CPU: x64 Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
    Memory: 9.10 GB / 15.89 GB
  Binaries:
    Yarn: 1.6.0 - C:\Program Files (x86)\Yarn\bin\yarn.CMD
    npm: 5.6.0 - C:\Program Files\nodejs\npm.CMD
  IDEs:
    Android Studio: AI-173.4907809
  </code></pre>
  
  <p>I am clueless about problem.</p>