Cannot install Plugin: Vafpress Post Formats UI
<p>When I install Vafpress Post Formats UI on wordpress, happen:</p>

<pre><code>Installing Plugin: Vafpress Post Formats UI
Downloading install package from http://flatlayers.com/required-plugins/vafpress-post-formats-ui-develop.zip…

Unpacking the package…

The package could not be installed. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature
</code></pre>