The 404 error aka File Not Found  is one of the common errors you find on the Internet. It can be frustrating, but broken links are common and inevitable. There are many reasons why your websites needs a 404 error page. You might have moved some pages, or changed your URL structure, and now any links going to those pages no longer work. Many web designers take the time to build a custom 404 page, that helps keep visitors on your website, perhaps suggesting alternative content or simply keeping them amused in the face of an error. Here i have a creative showcase of 404 error page designs for your inspiration.