title: Cannot set up guest memory 'android_arm': Invalid argument
body: <p>I've spent days trying to launch any Android program. Even "Hello World" gives me the same error:</p>
  
  <pre><code>[2014-10-28 18:07:14 - android19] Android Launch!  
  [2014-10-28 18:07:14 - android19] adb is running normally.  
  [2014-10-28 18:07:14 - android19] Performing com.example.android19.MainActivity activity launch  
  [2014-10-28 18:07:14 - android19] Automatic Target Mode: launching new emulator with compatible AVD 'first'  
  [2014-10-28 18:07:14 - android19] Launching a new emulator with Virtual Device 'first'  
  [2014-10-28 18:07:43 - Emulator] Cannot set up guest memory 'android_arm': Invalid argument
  </code></pre>
  
  <p>Anyone can help? Thanks much!</p>