title: how to remove emulator starting error
body: <p>On Starting emulator for AVD 'hello' it shows Logcat Error:</p>
  
  <pre><code>emulator: WARNING: Could not initialize OpenglES emulation, using software renderer.
  RenderServer::create failed to listen
  emulator: emulator window was out of view and was recentered
  it seems too many emulator instances are running on this machine. Aborting
  </code></pre>