This article features error number Code 404, commonly known as Not Found described as The requested file was not found on the web server. The file could have been deleted or never existed. This is often caused by misspelling the URL.

Error Information

Error name: Not Found Error number: Error 404 Applies to: Windows 10, 8, 7, Vista, XP Description: The requested file was not found on the web server. The file could have been deleted or never existed. This is often caused by misspelling the URL. Recommended: Click here to fix Windows errors and optimize system performance


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About Status Codes

When you receive web error codes, you may either be having client or server issues. The problem could be related to browser or settings that are blocking your connection, or it can be any other issues related to the server you are trying to access.

To explain the problem further, here are some useful information about web error codes, their symptoms, causes and repair methods.

Definitions (Beta)

Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!

  • File - A block of arbitrary information, or resource for storing information, accessible by the string-based name or path
  • Server - A server is a running instance of a software application capable of accepting requests from a client and giving responses accordingly.
  • Url - A URL Uniform Resource Locator, is a universal identifier on the web
  • Web - Use this tag for general questions related to all aspects of the world wide web
  • 404 - The HTTP status code 404 or "Not Found" indicates the server could not find the requested file or resource.
Symptoms of Code 404 - Not Found

Web error codes are also known as http status codes. There are five different classes of http status codes and they always start with the following digits, depending on what kind of error was encountered by the user. These are also the symptoms of the error that the user is experiencing. To explain further, here are the status codes.

4xx: Client Error

This error is sent back to the user when it is a client-side error. The user receives notifications of a bad request, content not found or unauthorized access to the content or something to that effect.

400 – Bad Request

401 – Unauthorized

402 – Payment Required

403 – Forbidden

404 – Not Found

405 – Method Not Allowed

406 – Not Accepted

407 – Proxy Authentication Required

408 – Request Timeout

409 – Conflict

410 – Gone

411 – Length Required

412 – Precondition Failed

413 – Request Entity Too Large

414 – Request-URI Too Long

415 – Unsupported Media Type

416 – Request Range Not Satisfied

417 – Expectation Failed

(For illustrative purposes only)
Causes of Not Found - Error 404

4XX codes are caused by the user or settings from the user’s side. The request was not understood by the server because of wrong address bar entry, incorrect syntax, unstable connection or erroneous OS.

Repair Methods

There are particular troubleshooting steps for particular Web Error codes. However, there are also generalized repair methods users can perform when faced with these kinds of errors.

If a repair method works for you, please click the upvote button to the left of the answer, this will let other users know which repair method is currently working the best.

Please note: Neither ErrorVault.com nor it's writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page - you complete these steps at your own risk.

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