SYMPTOMS
ionCube loaders are not working. What can I do?
SOLUTION
Here is their FAQ which will help solve most issues.
http://www.ioncube.com/faq.php
But if you want to cut to the chase download their system info script from here:
http://www.ioncube.com/faq.php#ts3
or directly from here (choose .tar or .zip version depending on your compression preference):
Click to view attachment
Click to view attachment
and upload it to your site. This will provide useful information which can be used in diagnosing the problem and configuration of your server.