title: the plugin org.jetbrains.android failed to save settings and has been disabled
body: <p>When starting Android Studio 1.2 I get the error message:</p>
  
  <blockquote>
    <p>the plugin org.jetbrains.android failed to save settings and has been
    disabled</p>
  </blockquote>
  
  <p>I tried restarting and even downloaded the latest Android plugin but it didn't help. Any suggestions?</p>