title: Can't download sdk -- 404 error
body: <p>I install the Android Studio, when I was going to downloading the sdk, something happened like following:</p>
  
  <pre><code>enter code herePreparing to install archives
  Downloading SDK Platform Android 4.4.2, API 19, revision 4
  Download interrupted: Unexpected HTTP Status 400
  Downloading Samples for SDK API 19, revision 6
  Download interrupted: Unexpected HTTP Status 400
  Downloading Sources for Android SDK, API 19, revision 2
  Download interrupted: Unexpected HTTP Status 400
  Skipping 'ARM EABI v7a System Image, Android API 19, revision 3'; it depends on 'SDK Platform Android 4.4.2, API 19, revision 4' which was not installed.
  Skipping 'Intel x86 Atom System Image, Android API 19, revision 3'; it depends on 'SDK Platform Android 4.4.2, API 19, revision 4' which was not installed.
  Skipping 'Google APIs (x86 System Image), Android API 19, revision 14'; it depends on 'SDK Platform Android 4.4.2, API 19, revision 4' which was not installed.
  Skipping 'Google APIs (ARM System Image), Android API 19, revision 14'; it depends on 'SDK Platform Android 4.4.2, API 19, revision 4' which was not installed.
  Done. Nothing was installed.
  </code></pre>