” It' s an obligatory heads- up. Contact the website: If none of the abovementioned tips have been successful then the only. The 404 Not Found error, also called Error 404 or an HTTP 404 error, means that the web page you were trying to load was not found. If you' re trying to figure out what the HTTP status code 404 error " not found" is, this is the video for you. But as Renny Gleeson shows us, while he runs through a slideshow of creative and. See why this happens and solutions to fix the error 404 not found!