Ajax-Zoom PHP component can run efficiently on ASP.NET 4.0 as a native fully managed 64-bit .NET application, as a part of ASP.NET web site.
This is achieved thanks to Phalanger PHP compiler. For more details see https://www.ajax-zoom.com/index.php?cid=docs#phalanger
It seems that ionCube is not installed on your server.
Please make sure Ioncube is installed. You can download the loaders and
the "Loader Wizard" (PHP script to help with installation) for free at