Title: Problem Installing on WP 3.6
Last modified: August 21, 2016

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# Problem Installing on WP 3.6

 *  [gabstero](https://wordpress.org/support/users/gabstero/)
 * (@gabstero)
 * [12 years, 10 months ago](https://wordpress.org/support/topic/problem-installing-on-wp-36/)
 * Hi Gang!
 * While trying to install the plugin on a WP 3.6, I am getting:
 *     ```
       Unpacking the package…
   
       The package could not be installed. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature
       ```
   
 * please help
    thanks
 * [http://wordpress.org/plugins/mailchimp/](http://wordpress.org/plugins/mailchimp/)

Viewing 1 replies (of 1 total)

 *  Thread Starter [gabstero](https://wordpress.org/support/users/gabstero/)
 * (@gabstero)
 * [12 years, 10 months ago](https://wordpress.org/support/topic/problem-installing-on-wp-36/#post-4096588)
 * nevermind –
 * Had to empty the cache on my W3 Total Cache plugin. Was able to install it.
 * g

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 1 participant
 * Last reply from: [gabstero](https://wordpress.org/support/users/gabstero/)
 * Last activity: [12 years, 10 months ago](https://wordpress.org/support/topic/problem-installing-on-wp-36/#post-4096588)
 * Status: not resolved