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How to Fix 400 Bad or Invalid Solicitation HTTP Error?

Updated on July 16, 2021 published by Navegadores personal editorial, Consejos técnicos Sin comentarios

The communication between the client’s browser and the web server contains different types of problems. The web server devuelve HTTP 4xx status codes cada vez que hay errors en el procesamiento de la solicitud recibida del navegador. The web server will send a 400 invalid or no validation solicitation HTTP response if no one can process the solicitation desde el navegador del cliente. Esto generalmente succeeds debido a una syntax no válida de la solicitud.

Como usuario final, recibir este error al access to an important website can be very frustrating. Verá códigos de respuesta HTTP en el navegador debido a la compleja relación entre el servidor del site web, los devices del usuario y los services de terceros. Por lo tanto, podría ser difícil determinar la cause real del problema, incluso si tiene un entorno controlado. Sin embargo, en la mayoría de las situaciones es bastante fácil profundizar en la cause raíz real.

Get more information about HTTP, HTTP request structure and response.

How to Fix 400 Bad or Invalid Solicitation HTTP Error?

Aquí hay cosas que puede hacer para corregir 400 errors de solicitud incorrectos o no válidos.

  1. Updating your webpage
  2. Enter the direction URL
  3. Delete cookies and hidden
  4. Clear DNS
  5. Verifica el limit de tamaño de archivo al cargo
  6. Open other websites
  7. Reset on devices
  8. Check HTTP encabezados
  9. Comprobar el server register
  10. Delete scripts and custom applications

A. Normal para usuarios

If you are a normal Internet user and get an error 400 in your browser, please continue with the solutions.

1. Refresh the page

If you have problems to access a page, you can pay the pena intendar actualizarla. In the town hall of los casos, el error HTTP de solicitud incorrecta o no válida 400 es temporal. With the mayoría of los navegadores, you can press the tecla F5 to update the page. if no immediate solution to the problem, please update the page back to the very veces.

Refresh page in Chrome Chrome Refresh Page in Chrome ChromeRefresh page in Chrome Chrome

2. Check your URL

If you write the URL in the direction bar, you are likely to get a spelling error. Bad or invalid solicitation HTTP error 400 puede occurs debido a badly written URL. It is also possible that the enlace tenga una URL is incorrectly written or that the URL of the marcada sea page is incorrect.

Check the address manually and see if there are any obvious errors. If you are unsure of the correct page URL, try to find it from Google search results. You can have keywords that could be associated with the webpage. Search the page with unique keywords to improve your chances of finding the page.

3. Delete cookies and cache

The HTTP 400 Bad or Invalid Request error can occur if your cookies are outdated or corrupted. Some browser extensions can modify cookies and cause errors. So, your browser has a corrupt cache version. Try clearing your website’s cookies and cache. After clearing the cache, pages may load a little slower, as your browser will need to rebuild the cache with frequently accessed data. But it might help solve the problem.

Remember that when clearing cookies, you may need to re-enter login information for all websites. You need a different procedure to clear cache and cookies for each web browser. Generally, pressing “Command + Shift + Del” on Mac and “Ctrl + Shift + Del” on Windows will work on Chrome and Firefox browsers.

Learn more about deleting browsing history on popular browsers.

4. Flush DNS

Your computer may have outdated DNS records and this could cause errors. You can flush the DNS and check whether that solves the 400 HTTP error issue. It’s easy to do and won’t cause unwanted problems.

  • Make sure that you run the computer as computer’s administrator
  • Type in CMD in the Windows Search box and open Command Prompt.
  • In the command interface, type in ipconfig /flushdns and press Enter.

Learn detailed information on how to flush DNS in Windows and Mac.

5. Check File Size When Uploading

The 400 Bad or Invalid Request HTTP error could happen when you try to upload a big file. First check the allowed file size for uploading. If your file is bigger, you can split it with file splitter utility and upload file parts individually.

6. Check Other Websites

If you keep on getting the 400 Bad or Invalid Request HTTP error when trying to open a webpage, you should check whether it also happens with other websites. If the error appears again, then there could be a problem with networking devices on your computer. On Windows computer, run Network Diagnosing Utility to fix the connection problem. On Mac, you may need to disconnect and reconnect the device.

You may also contact the Internet service provider to find out whether they could resolve the problem.

7. Restart Your Devices

This may be a hit and miss. However, restarting your networking equipment and computer could help you to fix the 400 Bad or Invalid Request HTTP error.

B. For Developers

If you are a developer, you may get 400 HTTP error when testing your own application. Follow the below options to fix the error.

8. Fix Invalid HTTP Headers

Sometimes inspecting HTTP header details may give you clue on the connection error. You can view the HTTP header details using one of the free tools on the web. Though this is easy to do for developers, it can be quite tricky for non-developers.

9. Check Server Logs

Web servers usually keep server side logs for each request that a client sends. The log may contain information such as the connected application, requested pages, IP address and other relevant information of the requests. Server logs often identify the reason for the failure and indicates the processing status. By looking at the server logs, developers and administrators can easily identify the root of the HTTP problems.

If you don’t have access to server log files, request the access to your hosting provider.

10. Debug Scripts or Application Code

If you are getting the error on custom applications then it could be due to the poorly written code in the application. Developers need to debug the application manually and check server logs to identify potential problems.

Having a good error management system can effectively help to resolve the 400 Bad or Invalid Request HTTP error for developers. Even if errors happen, you can detect them automatically. For example, Airbrake is a good error monitoring system that offers real-time updates. It has an excellent dashboard that offers round the clock updates on the health of your web application. With customizable error filter, you can get updates about errors that matter most.

Wrapping Up

As explained above, a 400 error occurs due to an invalid request being sent to the server. This may be due to downloading files or corrupted browser cookies. Follow the solutions listed above and hopefully one of them will help you fix the problem. If the problem persists, it could also be caused by additional third-party factors between your browser and the server. Wait a while and try to access web pages later. 

On custom apps, developers can follow a step-by-step debugging process to find the real problem.

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  • 5 Ways to Fix: Invalid Request, YouTube Authentication Expired

5 Ways to Fix: Invalid Request, YouTube Authentication Expired

By Echo | Follow | Last updated on October 21, 2021


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If you get an error message that “Invalid request, authentication has expired” when trying to post videos to video sharing platform, this message offered by MiniTool is exactly what you need. It will provide you with 5 practical methods and they have worked for many people. I hope they will be useful to you as well.

On this page :

  • What causes “Invalid request, authentication expired” issue on YouTube?
  • Method 1: Refresh the page
  • Method 2: Don’t sign in to another YouTube account while downloading
  • Method 3: Uninstall Download Extensions
  • Method 4: Verify your YouTube account
  • Méthode 5 : Enregistrez la vidéo YouTube dans une liste de lecture et téléchargez-la
  • Conclusion
  • Demande invalide, authentification expirée FAQ

There have been many reports of YouTube users experiencing an error message saying “Invalid request, authentication expired” when they try to post videos on the video sharing platform. Problems are often reported when users try to publish them by making the video public on YouTube. Besides, this issue can also appear when you want to download a YouTube video via the YouTube app on your phone or tablet, and the error is “Request contains an invalid argument”.

Invalid request, authentication timed out

Read Also: Useful Tips on How to Make Your YouTube Videos Private.

If you are one of them and you are looking for some methods to fix this error, this post is what you need. It will provide you with 5 workable solutions.

What Is Causing the “Invalid Request, Authentication Expired” Issue on YouTube?

Why does YouTube say invalid request authentication expired? First of all, before we go through the workable solutions, we should know some possible reasons to cause this particular error:

Account timeout

This usually happens when the video takes a long time to upload. Your account will time out and you will automatically be logged out if you remain idle for a long time. If this scenario is applicable, you could try clicking the Refresh button on your browser. Then, you should be able to log in again and you are allowed to complete the process of publishing the video.

User logged into another account while uploading the video

Another common reason that is known to cause this particular problem is if you open another TAB or another browser and then log out of YouTube & into a different YouTube account.

An extension is causing the problem

Download Helper and Down ThemAll are two extensions that are known to cause this particular error on both Chrome and Firefox. In this case, the solution is to either disable or uninstall the extension from the browser.

YouTube account is unverified

There were some confirmed instances where the process of uploading the video was only successful after the account has been verified with a phone number.

Read Also: Useful Tips on How to Create, Verify or Delete YouTube Account.

Methods to Fix Invalid Request, Authentication Expired on YouTube

  1. Refresh the Page
  2. Don’t Log into a Different YouTube Account While Uploading
  3. Uninstall Downloading Extensions
  4. Verify Your YouTube Account
  5. Save the YouTube Video to a Playlist and Download It

The following part will show you how to fix Invalid request, authentication expired on YouTube with 5 useful methods.

Method 1: Refresh the Page

If the video takes a long time to upload to YouTube’s servers, you’re likely to be logged off or timed out because of inactivity. In this case, you can simply refresh the browser and log in again to eliminate the error message.

After that, you need to reinsert your credentials and log back into your YouTube account. Now, you should go back to the page that previously displayed the “Invalid request, authentication expired” error message and check if you are now able to make the video public in order to publish it.

If you’re still experiencing the same error message when you are trying to make the video public, it’s time to move down to the next method below.

Method 2: Don’t Log into a Different YouTube Account While Uploading

If you have logged in to a different Google account from the same computer while YouTube is uploading a video, this particular problem can also occur. Although there is no official explanation for the problem, the speculation is that this behavior may be a security mechanism for YouTube to prevent abuse.

In this case, as you might expect, the solution is quite simple. All you need to do is to re-upload the video again and make sure you’re not logged into a different Google account while you are uploading the video.

Tip: Please remember not to log into different YouTube accounts from incognito tags or different browsers. That could cause the same error on YouTube because Google will still see the same IP.

After finishing this method, check if you successfully fix the “YouTube invalid request authentication expired” error now. If this method doesn’t help you solve this issue, it’s time to move down to the next method below.

Method 3: Uninstall Downloading Extensions

As many users have reported, several browser extensions can trigger the “Invalid request, authentication expired” error. If you’re in the same situation, keep reading. Video DownloadHelper and Down ThemAll are two extensions that are usually associated with the apparition of this problem.

Video DownloadHelper, by far the biggest extension/add-on culprit, has been shown to cause this particular error. What you need to do is removing Chrome and Firefox extensions. Here’s a quick guide to doing so. Please follow the instructions for the browser you are using.

Read Also: The Best Twitch Video Downloaders (PC & Mobile).

Google Chrome

If you are using the Google Chrome browser, follow the guidelines below to remove the extension on it.

Step 1: First of all, open your Google Chrome browser. Then, click the 3 dots button, navigate to More tools and go to Extensions to open up a new window.

Step 2: Inside the Extension window, scroll down to your Video DownloadHelper extension and then just click Remove.

remove Video DownloadHelper from Chrome

Step 3: Click the Remove button again to confirm the uninstallation of the extension.

After finishing that, you should have removed the Video DownloadHelper extension on Chrome. Now, check if this rectifies the “Invalid request, authentication expired” error for you. If you’re still encountering the same error message, move down to the next method below.

Tip: If you want to find some Google Chrome video downloaders, this post is what you need: Here Are Top 5 Google Chrome Video Downloaders.

Mozilla Firefox

If you are using the Mozilla Firefox browser, here’s exactly what you need to do to remove the extension on it.

Step 1: First of all, open your Mozilla Firefox browser. Then, click the Open menu button in the upper right-hand corner, choose Add-ons from the list to open up the extension tab.

Step 2: Select the Extension option from the left side, then find your Video DownloadHelper extension from the right side.

Step 3: Now, click the 3 dots button and then select Remove from the menu.

After you finish all the steps above, now you should have removed the Video DownloadHelper extension on Firefox. If this method doesn’t work for your particular scenario, move down to the next method below.

Useful Suggestion: Use A Great YouTube Downloader – MiniTool uTube Downloader

Since some video downloaders like Video DownloadHelper and Down ThemAll can cause rectifies the “Invalid request, authentication expired” error on YouTube, you should stop using these extensions and find another useful video downloader. 

There are many YouTube downloaders in the market. Which one should you choose? Here is a useful suggestion for you: try to download videos with a great YouTube downloader – MiniTool uTube Downloader.

It is the best free YouTube downloader you can find. You can save videos from YouTube to computer easily and quickly. In addition, there is no ads and no bundle and it offers high-speed downloads and superior quality conversions. 

With it, you are able to download and convert YouTube videos into different types, such as YouTube to MP4, YouTube to MP3, YouTube to WEBM and YouTube to WAV. You can also download video subtitles, download music from YouTube and even download the YouTube playlist. It is a really useful YouTube downloader for you!

Related article: How to Download YouTube Playlist to MP3/MP4 for Free.

Now, you can click the following button to get MiniTool uTube Downloader and then use it to download YouTube videos.

MiniTool Youtube DownloaderClick to Download100%Free & Clean

Step 1: Open MiniTool YouTube Downloader.

  1. Download MiniTool uTube Downloader.
  2. Install it on your computer.
  3. Launch the program and go to its main interface.

Step 2: Search for the YouTube Video You Want to Save.

You can choose to search for the video that you want to watch later in this YouTube converter directly and click this video. Alternatively, go to the YouTube site and search for videos. If you choose the second way, you should:

  1. Haga clic con el botón derecho en la miniatura del video en YouTube y luego haga clic en Copiar dirección de enlace .
  2. Ve a la página de inicio de MiniTool uTube Downloader. Pegue el enlace del video en el cuadro.

Étape 3 : télécharger des vidéos sur YouTube.

Simplement haga click en el botón Descargar en la parte superior.

download videos from youtube

Étape 4 : Garder la vidéo de YouTube.

  1. Elija the output format of the video. MiniTool uTube Downloader can help convert MP3, MP4, WAV and WEBM. If necessary los subtítulos, simplye mantenga marcada la casilla Subtítulos.
  2. Después de eso, haga clic en DESCARGAR para commenzar a descargar el video immediatamente.

click DOWNLOAD to start downloading the videoAfter that, all you need to do is hope MiniTool uTube Downloader finishes downloading your video.

Step 5: Mira the video from YouTube which you can download.

  1. Now the video should be uploaded successfully and you can check this by clicking the Browse to File button .
  2. To watch it now, you can click the Play button next to the Navigate to file button.

This concludes a tutorial on how to save videos from YouTube via the MiniTool uTube Downloader. Now you should have successfully downloaded YouTube videos.

click the play button

Related article: How to Watch YouTube Offline: Download YouTube Videos Free

This post introduces a useful YouTube downloader app – MiniTool uTube Downloader. With it, I have successfully downloaded many videos and audios from YouTube. Click to Tweet 

Method 4: Verify Your YouTube Account

Some affected users have reported that the problem stopped after they verified their accounts. It turns out that if further account verification is required, the video upload may fail and the “Invalid request, authentication expired” error appears.

If this scenario is applicable, refer to the following part. Here’s a quick guide on how to verify your YouTube account.

Read Also: Tips on How to Get Verified on YouTube

Step 1: First of all, click this link to initiate account verification. You will be prompted to log into your Google account if you are not logged into.

Step 2: Select your country and how do you receive the verification code: an automated voice message or the text.

select country and verification method

Step 3: Choose the language of the verification code you want to receive. Enter your phone number where you want to receive the verification code and click Submit.

choose the language and enter your phone number

Step 4: When you receive the verification code, input it into the Account verification box and click Submit once again.

Étape 5 : Après cela, vous recevrez un message de réussite vous indiquant que votre compte YouTube a été vérifié.

Now you can try recreating the process that was previously throwing the “Invalid request, authentication timed out” error message to see if your problem is resolved.

Click to tweet

Method 5: Save the YouTube video to a playlist and download it

If you cannot download a video from YouTube using the YouTube app on iPhone, iPad or Android, a request contains an argument without validation , you can first protect the video on a playlist and download:

1. Open the video you upload on YouTube app.

2. Toque  Guardar debajo del reproductive.

3. Keep the video in a playlist.

4. Abra el video nuevamente y luego toque Descargar nuevamente. Esta vez, puedes descargar el video con éxito.

Aquí hay a videotutorial:


In conclusion, debería haber resuelto este problema con los métodos mencionados en esta publication y ahora puede publishar videos in la plataforma para compartir videos normally. Moreover, you also need to learn a great YouTube downloader app: MiniTool uTube Downloader, which can help download videos and audios from YouTube.

If you have any more specific idea or any other idea regarding the use of MiniTool uTube Downloader, please know that you reply quickly.

Preguntas frecuentes sobre solicitud no válida, autenticación caducada

¿Qué significa solicitud invalida?

If you produce an error while processing a browser response request, the web server will devuelve the HTTP 4xx status code. If the web server cannot handle the client browser solicitation, send an invalid solicitation HTTP response or 400 no validation. This usually results in the no solicitation validation syntax.

¿Qué significa cuando YouTube dice que se recibió una respuesta no válida?

This means that YouTube blocks and blocks the IP direction by alguna razón. No one can access a YouTube hasta that cambie su dirección IP cambiando su red.

¿Qué signifiea respuesta no válida del servidor?

The 502 Bad Gateway error is an HTTP status code, which means that a server on the Internet receives an invalid response from another server. The 502 Bad Gateway error is completely independent of its specific configuration, which means that you can have a navegador, a system, and a device.

When can a video be published on YouTube?

In a predetermined manner, YouTube allows up to 15 minutes of videos to be uploaded. If you want to load more than 15 minutes of video, the load is dropped. This is a YouTube limitation, not a Brightcove limitation.

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User comments: Post a comment

No puedo create a new channel

In all applications and more antiguos devices (as an earlier version of the YouTube application), it is possible that the message “This action is not allowed” is intended to create a channel. 

If successful, it means the YouTube app is not updated. You can try one of these options to create your channel:

  • Update to the latest version of your YouTube application and view it to create a new channel.
  • Use a computer, create a new channel on YouTube, and use a web browser. Luego, start session in the channel usando la application en su device móvil.

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