Create your own custom error page
XtGem reserved file
File not found errors cause a 404 error code to be returned by the server
You can create a custom 404 page and all 404 file not found errors will redirect to that page
the page must be named 404 and be in the main (root) directory
See this sites custom 404 page by clicking on this broken link
The custom 404 page can contain anything a normal page can contain