Error: Code 407 - Unable to download video webpage: HTTP Error 407: Proxy Authentication Required.

How to fix the Runtime Code 407 Free YouTube Downloader Error 407

This article features error number Code 407, commonly known as Free YouTube Downloader Error 407 described as Unable to download video webpage: HTTP Error 407: Proxy Authentication Required.

About Runtime Code 407

Runtime Code 407 happens when Free YouTube Downloader fails or crashes whilst it's running, hence its name. It doesn't necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.

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!

  • Authentication - Authentication is the process of determining whether someone or something is, in fact, who or what it is declared to be.
  • Download - Receiving data to a local system from a remote system, or to initiate such a data transfer.
  • Free - free is a function to deallocate memory obtained from malloc and other functions in C
  • Http - Hypertext Transfer Protocol HTTP is an application level network protocol that is used for the transfer of content on the World Wide Web.
  • Http error - An error code as a result of an HTTP request.
  • Proxy - A proxy is a device or program that stands between two or more interconnected programs or devices
  • Required - Required is an HTML attribute of an input element that forces that the input be supplied.
  • Video - Video is an electronic medium for the recording, copying, and broadcasting of moving visual images
  • Webpage - A web page or webpage is a document or information resource that is accessible via the Internet or a local file that can be accessed through a web browser and displayed on a monitor or mobile device.

Symptoms of Code 407 - Free YouTube Downloader Error 407

Runtime errors happen without warning. The error message can come up the screen anytime Free YouTube Downloader is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.

There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.

Fix Free YouTube Downloader Error 407 (Error Code 407)
(For illustrative purposes only)

Causes of Free YouTube Downloader Error 407 - Code 407

During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.

Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.

Repair Methods

Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.

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 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.

When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.
  • Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
  • Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
  • You will need to observe if the error message will reoccur each time you stop a process.
  • Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.
Using Control Panel
  • For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
  • For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
  • For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
  • Once inside Programs and Features, click the problem program and click Update or Uninstall.
  • If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application's installation disk to reinstall the program.
Using Other Methods
  • For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
  • For Windows 10, you may click Start, then Settings, then choose Apps.
  • Scroll down to see the list of Apps and features installed in your computer.
  • Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.
Virus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.
You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.
  • Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
  • Click Uninstall on top of the list, and when it is done, reboot your computer.
  • Download the latest redistributable package from Microsoft then install it.
You might also be experiencing runtime error because of a very low free space on your computer.
  • You should consider backing up your files and freeing up space on your hard drive
  • You can also clear your cache and reboot your computer
  • You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
  • Click Properties and then click Disk Cleanup
If the error is related to a bad graphics driver, then you may do the following:
  • Open your Device Manager, locate the graphics driver
  • Right click the video card driver then click uninstall, then restart your computer
If the error you are getting is related to the Internet Explorer, you may do the following:
  1. Reset your browser.
    • For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
    • For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
  2. Disable script debugging and error notifications.
    • On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
    • Put a check mark on the radio button
    • At the same time, uncheck the "Display a Notification about every Script Error" item and then click Apply and OK, then reboot your computer.
If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.
Other languages:

Wie beheben Fehler 407 (Kostenloser YouTube-Downloader-Fehler 407) - Video-Webseite kann nicht heruntergeladen werden: HTTP-Fehler 407: Proxy-Authentifizierung erforderlich.
Come fissare Errore 407 (Downloader gratuito di YouTube Errore 407) - Impossibile scaricare la pagina web del video: Errore HTTP 407: autenticazione proxy richiesta.
Hoe maak je Fout 407 (Gratis YouTube Downloader Fout 407) - Kan video-webpagina niet downloaden: HTTP-fout 407: proxy-authenticatie vereist.
Comment réparer Erreur 407 (Erreur 407 du téléchargeur YouTube gratuit) - Impossible de télécharger la page Web vidéo : Erreur HTTP 407 : Authentification proxy requise.
어떻게 고치는 지 오류 407 (무료 YouTube 다운로더 오류 407) - 비디오 웹 페이지를 다운로드할 수 없음: HTTP 오류 407: 프록시 인증이 필요합니다.
Como corrigir o Erro 407 (Erro 407 do downloader gratuito do YouTube) - Não foi possível baixar a página da web do vídeo: Erro HTTP 407: Autenticação de proxy necessária.
Hur man åtgärdar Fel 407 (Gratis YouTube Downloader Error 407) - Det gick inte att ladda ner videosidan: HTTP -fel 407: Proxy -autentisering krävs.
Как исправить Ошибка 407 (Ошибка бесплатного загрузчика YouTube 407) - Невозможно загрузить веб-страницу с видео: ошибка HTTP 407: требуется проверка подлинности прокси.
Jak naprawić Błąd 407 (Darmowy błąd pobierania YouTube 407) - Nie można pobrać strony internetowej wideo: Błąd HTTP 407: Wymagane uwierzytelnianie proxy.
Cómo arreglar Error 407 (Error 407 del descargador gratuito de YouTube) - No se puede descargar la página web del video: Error HTTP 407: Se requiere autenticación de proxy.

The Author About The Author: Phil Hart has been a Microsoft Community Contributor since 2010. With a current point score over 100,000, they've contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki.

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Article ID: ACX04776EN

Applies To: Windows 10, Windows 8.1, Windows 7, Windows Vista, Windows XP, Windows 2000

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