How to Fix Netflix Error Code M7121-1331

Updated on 2023-06-29
This article explains in detail how to fix Netflix error code M7121-1331. These troubleshooting methods have provided significant results for Netflix users.

Netflix error code M7121-1331 may indicate problems with your browser, especially if it doesn't support the platform. This error code is usually displayed when Speed Browser is used. These browsers can cause obstructions that affect the player's functionality. This error can also be caused by HTML5 not being enabled in internet browsers such as Chrome. 

You can start by fixing the problem with your web browser to troubleshoot an issue like this. You can continue reading if you want to learn more about how to fix Netflix error code M7121-1331.

7 Working Ways to Fix Netflix Error Code M7121-1331 Issue

Causes of Netflix Error Code M7121-1331

These are the causes of Netflix's M7121 1331 error when streaming Netflix:

  • One reason why error M7121-1331 might be visible is because your browser isn't compatible with Netflix.
  • HTML 5 might have been disabled in your internet browser.
  • Google Chrome extensions may cause conflicts
  • Chrome could be damaged or missing its installation files.
  • It is possible that you have not updated your web browser before running Netflix.

How to Fix Netflix Error Code M7121-1331

The Netflix error code M7121-1331 refers to a browser issue. You can verify that all updates have been applied for Google Chrome, Firefox and Opera. You can also ensure that your internet browser is able to access Netflix and that HTML 5 has not been disabled. 

Scroll down to learn more about these techniques and the guidelines that go along with them.

Solution 1: Make Sure your Browser Supports Netflix

Netflix is supported by certain web browsers. These are just a few of the many that support Netflix.

  • Google Chrome 64-bit Version on Windows 7 and above, Mac OS X 10.10 and above (Mavericks), Chrome OS or Linux
  • Internet Explorer 11 for Windows 8.1 and above
  • Microsoft Edge for Windows 10
  • Mozilla Firefox 59.0.3 and above for Windows 7 or higher or Mac OS X 10.10 (Yosemite)
  • Opera 47.0.2631.80 and above on Windows 7 or all versions, or Mac OS X 10.10 and later
  • Safari web browser for Mac OS X 10.10 (Yosemite)

If your web browser doesn't support Netflix streaming, you may encounter the Netflix error code M7121-1331. You can use any browser to access Netflix, as we have listed in this section. 

Also, ensure that HTML 5 is not disabled. This is the latest version of HTML. This will prevent errors when using Netflix.

Solution 2: Remove Chrome Extensions

Some extensions can lead to the Netflix error code M7121-1331 because they are not in compliance with the terms and conditions. You may need to disable some extensions that you use on Chrome. You can disable them by pressing the toggle button located near them.

You can use these directions to disable extensions from Chrome:

  • In the "Address Bar" field in Chrome, type "chrome://extensions".
  • Scroll down for the complete list of extensions.
  • To disable an extension, use a toggle. (The extensions that have been enabled are marked with a blue toggle option.)

Solution 3: Uninstall Google Chrome and Reinstall

Netflix M7121-1331 error code was occasionally observed while streaming Netflix with Google Chrome. This error was continuously being observed because it wasn't being updated.

You can also remove the browser if you find yourself in a similar situation. You can then reinstall Google Chrome. To uninstall the browser, first clear all data. You can then uninstall Google Chrome. After this is done, you can download the installation file again to install Google Chrome.

Here are more steps to remove and reinstall this browser:

  • Close all tabs and Chrome windows on your computer.
  • Click on the Start Menu and find Settings.
  • Click Apps. Click on Apps & Features to select Google Chrome.
  • Click on "Also delete my browsing data" to delete all browsing history and profile information.
  • Click Uninstall. Click the Uninstall button once more to confirm.
  • Reinstall Google Chrome browser and check if you can stream any video without seeing error code M7121-1331.

Solution 4: Chrome Content Protection Feature Update

The Netflix error code M7121-1331 is a sign that your security settings have blocked a component of your computer's browser. You can update the component by visiting the address bar of Chrome. Click the Check for Update option. To save the changes, reboot your device after updating it. 

  • Type chrome://components in the address bar of Chrome and hit Enter.
  • Scroll to the bottom of this page to locate the Widevine Content Decryption Module component.
  • Click on Check for Update.
  • To save your changes, restart the system.


You may also have some other questions, so let's look at them together.

How to Watch Netflix Videos Without Error Codes?

Downloading Netflix videos and watching them offline is the best way to avoid affecting your viewing experience by error codes.

The content downloaded using the default option available on the Netflix app can be watched only on the same device and only for a specific period of time. Moreover, you will not be able to share the content downloaded using the default option.

Y2Mate Netflix Downloader can be a great option that can be quite practical and useful in this perspective. It provides you access to an enhanced download option for your Netflix content in 1080p video quality and a faster speed.

How to Solve Other Common Netflix Error Codes?

If you also meet some other Netflix error codes, you can click on the link below to see how to fix these problems.

Other Common Netflix Error Codes:

How To Fix Netflix Error Code m7111-5059

Netflix not working Troubleshooting

How to Fix Netflix Error Code m7353

How to Fix Netflix Error Code m7353-5101

How to Fix Netflix Error Code m7361-1253

These articles will help you learn more about such error codes. Reading about such errors will help you enjoy a memorable Netflix experience.


This article explains in detail how to fix Netflix error code M7121-1331. These troubleshooting methods have provided significant results for Netflix users. Moreover, Y2Mate Netflix Downloader has been one of the premium options for downloading your favorite content to watch offline without any Netflix error code.