To err is human and you know what they say about 404 errors...
How do you like my 404 error page? Aint it pretty? Actually, unless I'm wrong, you probably did not arrive here to admire a clever (so I think), customized 404 error page.

In other words, a "404 error" means whatever the browser was told to look for does not exist.

If you directly typed the URL into your address bar, double check your entry. Capitalization does matter. If you clicked a link within this site, my bad!! I probably had a "brain mush moment". I will correct it shortly.