The HTTP error , or more commonly called " error", means that the. › blog › not-found-error-how-to-fix-it. The HTTP , not found, , error, page not found or file not found error message is a hypertext transfer protocol standard response code, in computer network communications, to indicate that the browser was able to communicate with a. Cause · The requested file has been renamed. · The requested file has been moved to another location and/or deleted. · The requested file is. The HTTP , not found, , error, page not found or file not found error message is a hypertext transfer protocol (HTTP) standard response code. Cause of HTTP Errors Technically, an Error is a client-side error, implying that it's your mistake, either because you typed the URL. A not found error is an HTTP status code that means that the page you wanted to access a website couldn't be found on their server. How to fix the error ' Not Found' · Reload the page: It might be that the error has appeared for the simple reason that the page did not. You test the URL in your browser and encounter Error - File not found. This error means that the file could not be found on the file system. The Internet Engineering Task Force (IETF) defines the error Not Found as: The (Not Found) status code indicates that the origin server.