Are you facing YouTube Error 400? Do you want to know how to fix youtube error 400? If yes, you are not alone because I recently stumbled upon the same issue, which was very frustrating. When I started looking at the problem and started researching it, I found out that it is a very common problem YouTube users face, but sadly, there is no official explanation or solution for this error.
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Even after spending a couple of hours reading multiple journals and forums, I couldn’t get why I faced this YouTube Error 400. So, I decided to troubleshoot the problem and share a guide on how to fix YouTube Error 400 with other YouTube users.
So, without any further ado, let’s get started-
This error is very common and mostly appears with the following message:
“400. That’s an error. Your client has issued a malformed or illegal request. That’s all we know.”
Obviously, the message mentioned above doesn’t clearly explain why you are dealing with the issue. Therefore, all the methods that we have mentioned here are possible walkarounds that you can try to fix YouTube Error 400.
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If the error is caused by a temporary issue such as a bad request or corrupted webpage loading, then reloading the webpage can fix YouTube Error 400.
First, try reloading your webpage simply by clicking on the reload button or pressing the F5 hotkey from your keyboard. If that will not fix the issue, try the hard reload option by pressing CTRL + F5 hotkey simultaneously.
Even after a hard reload, the issue persists, then you can try restarting your PC and then open YouTube again on your web browser. But even if this method doesn’t work, try following the next solution.
Another possible reason why this error is occurring can be cache and cookie memory. Basically, what happens is when we send a request to the YouTube server, your browser tries to load files that have already been cached on your computer.
Your browser does this to improve the website’s loading time, but sometimes, this thing backfires, and people end up receiving such errors or crashed websites.
Therefore, to fix such errors like YouTube Error 400, you can try clearing cache and cookies from your browser.
Below, I have mentioned a step-by-step guide on how to clear cache and cookies from the Chrome web browser. The process to clear cache and cookies on other browsers will be somewhat similar.
After following this method, the issue may get fixed. However, do note that clearing cookies will also make it slower to load some websites, and you have to log in again to some websites.
Therefore, if you don’t want to delete the cache and cookies for all websites, you can delete these files specifically for YouTube only. To do that, you have to follow these simple steps-
After that, you have to go to YouTube and see if the YouTube Error 400 is gone or not. This method will most commonly solve the issue for you, but you can try the following methods if the problem is still available.
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If the issue is caused due to browser, cache, extension, or other site data, you can try using Incognito Mode or Private Mode to get rid of it. This method will fix the problem immediately and make it easy to understand why you were facing this in the first place.
Ergo, you can take action accordingly to fix this issue permanently.
To open an Incognito or Private tab, you have to follow these steps-
If the issue will be fixed in Incognito Mode, most commonly, the problem occurs due to any of your extensions or site’s stored data. I am assuming that you have already deleted cache and cookie data, and therefore, the only possible reason that remains is a faulty extension.
If that is the case, you can follow the below-mentioned guide to fix YouTube Error 400 easily.
To do so, you have to follow these simple steps:
This is a great way to fix this error if it is triggered because of any extension.
If this issue isn’t triggered due to a faulty extension, then the best bet for you would be resetting your browser settings to default. The good thing is that it won’t take much time to do so, and also, it is straightforward.
To reset your browser’s settings, you have to follow these simple steps:
After that, go to YouTube to see if the problem has been solved or not.
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Since this issue mainly occurs because of your browser and you have tried almost everything to fix it, the only thing that remains to do is reinstalling your web browser. This is a sure-fire way to fix such issues, but this will also remove all your stored data.
However, if you cannot afford to lose your data, then alternatively, what you can do is install a different browser to use YouTube. For example, if right now you are using Chrome, then install Firefox. On the other hand, if you face issues in both browsers, try installing Opera or Brave.
Also, make sure to keep your browser updated to the latest version. Sometimes, compatibility issues can also be the reason why you face such issues.
How to Fix YouTube Error 400 on Android / iPhone?
Sadly, this issue does not only persist on web browsers, and many smartphone users have encountered it on their smartphones. So, if you are dealing with YouTube Error 400 on the smartphone, you can follow the below-mentioned steps to fix it immediately.
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Start with checking your internet connection. Then, you can open other applications and see if the internet is working properly or not. You can also try enabling the Flight Mode for a couple of minutes and then disable it. See if it fixes the issue and if not, follow the next step.
Sometimes, such server errors can be caused due to incorrect time and date settings. To see if that’s the reason, follow these steps:
After that, see if the issue is fixed or not. If not, follow the following method.
As I already told you, sometimes, these errors can be triggered due to compatibility issues, and therefore, if you want to fix that, updating your firmware to the latest version can be an easy way.
So, if you are facing this issue on your smartphone, go to the App Store and update the YouTube client to the latest version. Updating the YouTube app to the latest version may fix this issue for you.
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Lastly, if nothing helps to fix the issue for you, you can try clearing the cache and other data of the YouTube app. The process to do that is very simple:
This will definitely fix the YouTube Error 400 for you, but you will lose all data. This data will include cache memory and the YouTube videos that you have made offline.
So, this was a detailed guide containing multiple hit-and-try methods to fix YouTube Error 400. YouTube Error 400 is a widespread issue and mainly occurs due to bad client response, browser issues, extensions, or compatibility reasons.
Therefore, the methods mentioned above will definitely help you fix this problem. Try these methods mentioned above one by one and see which one works for you. Also, let us know which method helps you fix this problem for you to help other fellow readers.
With that said, here I am wrapping up this article. I hope it was helpful for you. If you have any questions, feel free to shoot them in the comment section below. Our team will try to respond ASAP.
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