title: Some sites could not be found, when I tried to update the installation software
body: <p>I have face problem in eclipse:</p>
  
  <p>Below is my problem:</p>
  
  <p>Some sites could not be found.  See the error log for more detail.
  No repository found at <a href="https://dl-ssl.google.com/android/eclipse/site.xml" rel="nofollow">https://dl-ssl.google.com/android/eclipse/site.xml</a>.</p>
  
  <p>No repository found at <a href="https://dl-ssl.google.com/android/repository/tools_r23.0.5-windows.zip" rel="nofollow">https://dl-ssl.google.com/android/repository/tools_r23.0.5-windows.zip</a>.</p>