How to clear error code 400 on YouTube

Sometimes, users of the full and mobile versions of the YouTube site encounter an error with the code 400. There may be various reasons for its appearance, but most of the time this error is not serious at all and can be solved literally in a few few clicks. We will discuss it in more detail.

How to fix YouTube error code 400 on your computer

The browsers on your computer do not always work properly, various malfunctions occur due to conflicts with installed extensions, large cache size or cookies. If you get the error code 400 when trying to watch videos on YouTube, we advise you to use the following ways to solve it.

Method 1: Clear the browser cache

The browser saves part of the Internet information on the hard drive so that you do not have to load the same data several times. This feature helps you work faster in your web browser. However, a large accumulation of these same files sometimes leads to various malfunctions or slow browser performance. The error with code 400 on YouTube can simply be caused by a large number of cache files, so we recommend that you clean them in your browser first. Read more about it in our article.

Read more: Cleaning the browser cache

Method 2: Cleaning cookies

Cookies help a site to remember certain information about you, such as your preferred language. Although these cookies can make your browsing experience easier, they can sometimes cause problems, such as a 400 error message when trying to view a YouTube video. Go to your browser settings or use additional software to delete cookies.

Read more: How to delete cookies in Google Chrome, Opera, Mozilla Firefox, Yandex.Browser

Method 3: disable extensions

Some plugins installed in your browser conflict with multiple sites and cause errors. If the previous two methods have not worked for you, we recommend that you pay attention to the enabled extensions. You don't need to uninstall them, just disable them for a while and see if the error on YouTube has disappeared. Let's see the principle of disabling extensions in the example of the Google Chrome browser:

  1. Launch the browser and click on the icon with the three vertical dots to the right of the address bar. Hover your mouse over "Additional tools"..
  2. In the pop-up menu, find "Extensions". and go to the menu to manage them.
  3. A list of enabled plugins will be displayed in front of you. We recommend deactivating them all for a while and checking if the error has disappeared. You can then turn them on one by one until the conflicting plugin is detected.

Also read: How to uninstall extensions in Opera, Yandex.Browser, Google Chrome, Mozilla Firefox

Method 4: Disable Safe Mode

YouTube's safe mode allows you to limit access to questionable content and restricted videos for people over 18 years of age. If the error code 400 only appears when you try to watch a certain video, it is likely that the safe mode is turned on. Try disabling it and following the video link again.

Read more: Disabling Safe Mode on YouTube

How to fix error code 400 in the YouTube mobile app

The error with code 400 in the YouTube mobile app is caused by network problems, but this is not always the case. The application sometimes does not work properly, which causes all kinds of problems. There are three easy ways to fix the problem if the network is OK. Let's learn more about them.

Method 1: Clear the application cache

YouTube mobile app cache overflow can cause problems of a different nature, this includes error code 400. The user will have to delete these files to resolve the problem that has occurred. This can be done using the operating system's built-in tools in a few easy steps:

  1. Open "Settings". and go to "Applications"..
  2. On the tab. "Installed". download the list and find "Youtube"..
  3. Tap it to go to the menu «About the application».. Here in the section "Cache". Press the button. "Clear cache.".

Now all you have to do is restart the application and check if the error has disappeared. If it is still present, we recommend using the following method.

Read also: How to clear the cache on Android

Method 2: Update the YouTube app

It is possible that the problem you are experiencing is only in your version of the application, so we recommend that you update to the latest version to eliminate it. To do this, you will need to:

  1. Launch Google Play Market.
  2. Open the menu and go to «My apps and games ».
  3. Click here. "Refresh". all to start installing the current versions of all applications, or find YouTube in the list and update it.

Method 3: Reinstall the application

In case you have the current version installed on your device, have a high speed internet connection and have cleared the app cache, but the error still occurs, all you have to do is reinstall it. Sometimes problems are solved in this way, and it is associated with resetting all settings and deleting files during reinstallation. Let's take a closer look at this process:

  1. Open "Settings". and go to "Applications"..
  2. Find YouTube in the list and tap on it.
  3. At the top, you will see a button "Delete".. Click on it and confirm your action.
  4. Now launch Google Play Market, in search, type "Youtube". and install the application.

Today we have detailed several ways to solve the error with code 400 in the full version of the web and in the YouTube mobile app. We recommend that you do not stop after performing one method if it does not give results, but try the others, because the causes of the problem may be different.

We are glad that we have been able to help you with the problem.

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