title: Android emulator error:missing kernel file
body: <pre><code>emulator: ERROR: This AVD's configuration is missing a kernel file!!
  </code></pre>
  
  <ul>
  <li>I have updated version of sdk and adt.</li>
  <li>I have also installed The "<em>ARM EABI v7a System Image</em>".</li>
  <li>I just build the Android ActionBarSherlock and SlidingMenu library.</li>
  <li>I have also updated my eclipse. </li>
  </ul>
  
  <p>Any idea where is the problem?</p>