'wp-config.php' already exists error in wordpress
<p>I install wordpress in the subfolder on my server. In the root of the server the joomla websit is already install. After succesfull installation when I am trying to go to home page then it redirect me to the installation page and show me this message </p>

<blockquote>
  <p>The file 'wp-config.php' already exists. If you need to reset any of
  the configuration items in this file, please delete it first.</p>
</blockquote>

<p>Thanks</p>