This post is a solution for “EWWW Image Optimizer requires exec(). Your system administrator has disabled this function” error which occurs when install the EWWW Image Optimizer plugin Shane Bishop. And if you were wondering how to fix and have the problem solved, keep reading and explore.

EWWW Image Optimizer is an image compression plugin which does it on all images uploaded and stored on your WordPress site. The plugin is very useful due to its functions when it comes to images and your WordPress site. Some of the plugin functionalities and features include automatic optimizing of all your images as you upload them, optimizing all images that have already been uploaded, automatically converting your images to the file format that will produce the smallest image size and optionally apply lossy reductions for PNG and JPG images.

The plugin does this by reducing image file sizes within WordPress site including but not limited ti NextGEN Gallery and GRAND FlAGallery. The plugin Uses jpegtran, optipng / pngout, and gifsicle. For you have been experiencing this “EWWW Image Optimizer requires exec(). Your system administrator has disabled this function” error, below is how to go about fixing it.

First of all, contact your hosting provider and ask them to Enable the exec service in your plan. Depending on your negotiations, it will be enabled and the error should disappear. In case they tell you that the service is active, then do the following below.

Log into your Web hosting Control Panel and navigate to Software and Services. Open PHP Configurations and hit Edit. Check box for exec and save. The EWWW Image Optimizer requires exec(). Your system administrator has disabled this function errors should disappear after you reload WP Admin.