Why am I not able to install Android SDK?
<p>I installed android sdk. When I click the android sdk manager. Then the the following error message is displayed in an alert box </p>

<blockquote>
  <p>Failed to fetch URL
  <a href="https://dl-ssl.google.com/android/repository/repository.xml" rel="nofollow">https://dl-ssl.google.com/android/repository/repository.xml</a>,
  reason: 
  sun. Security. Validator. ValidatorException: 
  PKIX path validation failed: 
  java.security.cert.certPathValidatorException: 
  timestamp check failed</p>
</blockquote>

<p>Please help me to solve the issues.</p>
