Ioncube should be enabled in cPanel's PHP before you install cPGuard. If you have not installed it, the installer will exit with an error message.
You can use the following steps to enable Ioncube in cPanel's PHP.
- Login to WHM ( as root user)
- Go to Server Configuration -> Tweak Settings -> PHP
- In "cPanel PHP loader" section select ioncube check box
- Click on Save button.
- This will enable Ioncube for you in 3rd party PHP binary.