Dynamic404 works flawlessly together with the Joomla core as well as popular extensions like ZOO and K2. With VirtueMart however, there are various difficulties when trying to fetch 404 errors and making them useful for your visitors. The architecture of VirtueMart is outdated, but it's still possible to make use of Dynamic404. This tutorial describes a core hack in the code of VirtueMart to modify the 404-behaviour of VirtueMart.

Read more: Using Dynamic404 with VirtueMart

Dynamic404 makes use of a System Plugin to override the normal behaviour of Joomla! error-handling. This means that you will no longer use the error.php file located in the template, but use Dynamic404s built-in mechanism instead. This guide shows you how to change this Dynamic404 behaviour, and use both your own error.php file as well as the Dynamic404 logic.

Read more: Patching error.php with Dynamic404