Title: EWWW Image Optimizer requires exec(). ERROR
Last modified: August 22, 2016

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# EWWW Image Optimizer requires exec(). ERROR

 *  Resolved [chi-luong](https://wordpress.org/support/users/chi-luong/)
 * (@chi-luong)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/)
 * Hi,
 * I have install and avtivate the plugin but it give me that error
 * “EWWW Image Optimizer requires exec(). Your system administrator has disabled
   this function.”
 * How can i enable that?
 * thanks 🙂
 * [https://wordpress.org/plugins/ewww-image-optimizer/](https://wordpress.org/plugins/ewww-image-optimizer/)

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/#post-5233873)
 * Usually, you remove exec from the disable_functions parameter in your php.ini
   file and then restart your web server process (apache or nginx), and/or possibly
   php-fpm if you use that.
 *  Thread Starter [chi-luong](https://wordpress.org/support/users/chi-luong/)
 * (@chi-luong)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/#post-5233969)
 * thanks for you response 🙂
 * where can i remove the exec from the disable_funcitons parameters? Where can 
   i find the php.ini where i can disable that?
 * Thanks 🙂
 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/#post-5233970)
 * If you don’t know, you need to talk to your server admin or your webhost for 
   assistance.
 *  Thread Starter [chi-luong](https://wordpress.org/support/users/chi-luong/)
 * (@chi-luong)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/#post-5234034)
 * hi thanks for your help 🙂
 * but now there are still some points missing.
 * jpegtran: Installed 
    version: Independent JPEG Group’s JPEGTRAN, version 9a 
   19-Jan-2014 optipng: Installed version: OptiPNG version 0.7.5 gifsicle: Installed
   version: LCDF Gifsicle 1.84 safe mode: Off  exec(): Enabled   Graphics libraries–
   only need one, used for conversion, not optimization GD: Installed  Imagemagick‘
   convert’: Missing
 * Only need one of these:
    finfo: Missing  getimagesize(): Installed  mime_content_type():
   Missing
 * – Imagemagick ‘convert’ is missing
 * – and do i need the “finfo” or “mime_content_type()”
    It says only need one of
   these, but on your install video [https://www.youtube.com/watch?v=CLBjjcaJ2pw](https://www.youtube.com/watch?v=CLBjjcaJ2pw)
 * Its showing all 3 options “ok”
 * Thanks
 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/#post-5234035)
 * looks like you are good to go.

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘EWWW Image Optimizer requires exec(). ERROR’ is closed to new replies.

 * ![](https://ps.w.org/ewww-image-optimizer/assets/icon-256x256.png?rev=1582276)
 * [EWWW Image Optimizer](https://wordpress.org/plugins/ewww-image-optimizer/)
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 * 5 replies
 * 2 participants
 * Last reply from: [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * Last activity: [11 years, 8 months ago](https://wordpress.org/support/topic/ewww-image-optimizer-requires-exec-error/#post-5234035)
 * Status: resolved