Fix Netflix Error code M7121-1331-P7 and M7111-1331-4027

How to Fix Netflix Error code M7121-1331-P7 and M7111-1331-4027

Netflix is the world’s leading media streaming platform that offers its users access to the biggest libraries. Netflix app is available on Android and iOS platforms and is accessible from a browser on a computer. Although Netflix provides a stable service, users in some cases may encounter issues when accessing it. In this article, we are going to address Netflix Error codes M7121-1331-P7 and M7111-1331-4027.

The Netflix Error codes M7121-1331-P7 and ‘M7111-1331-4027 usually occur if either the browsers fail to meet the playback criteria or if the cache contains corrupted data prevents playback. In some situations, these error codes also occur when the Netflix server is offline.

Before following any of the below-recommended troubleshooting steps, it is best to restart your computer. This refreshes the OS and removes any corrupted temporary data that may cause the error.

Use a browser that supports HTML5

Use only reliable and popular browsers, such as Chrome, Firefox, Safari, and Edge, when accessing Netflix. These browsers are officially supported, and HTML5 is enabled in these browsers. HTML 5 is the modern markup language and is used by nearly all popular streaming services. Make sure to enable it before accessing Netflix if disabled manually.

Go to to check if HTML 5 is enabled in your browser. 

Disable Chrome extensions

Chrome Extensions allow users to modify their browser’s basic features on certain (possibly all) websites. You can have trouble streaming Netflix on your browser if you have multiple extensions downloaded and enabled. You will need to disable all extensions, then see if the issue is resolved.

  1. Open the Google Chrome browser and type chrome://extensions in the dialogue box.
  2. Toggle each extension off.
  3. Restart Chrome and check if the error still occurs.

Checking Widevine Content Decryption Module

The Widevine Content Decryption Module is used for encryption and stable distribution of licenses globally. As Netflix allows to stream copyright content, it widely uses Widevine Content Decryption Module in its service. This error will likely occur if Widevine is outdated or corrupted. Try updating the component and see if it resolves the issue.

  1. Open Google Chrome and type chrome://components/ in the address bar and hit enter
  2. Go to the end of the page until a “Widevine Content Decryption Module” entry is found. 
  3. Click on “Check for update” below.
  4. Refresh the page and check for the status. If it shows Up-to-date, it means it has been successfully updated.
  5. Restart your computer

Clear browser data

There are several cases where corrupted cached data in a browser causes this issue. Try clearing your browser data, and see if it resolves the issue.


  1. Open Google Chrome
  2. Type chrome://settings in the address bar
  3. Hit Enter
  4. Go to the bottom of the page and click on Advanced
  5. Select Clear browsing data in advanced menu 
  6. Click on Clear data to delete all your browser data.
  7. Restart Chrome


  1. Click the Hub button in the upper right
  2. Click the History icon
  3. Select Clear browsing data 
  4. Mark Browsing history, then Cookies and other site data, and then Cached images and files. Click Clear.
  5. Exit the browser after the All Clear message and restart the browser  


  1. Click the Library button at the top right corner
  2. Press Alt if the menu bar is hidden
  3. Click History and then click Clear Recent History 
  4. Click the drop-down menu next to Time range to clear to choose how much of your history Firefox will clear
  5. Select Everything to clear your entire cache
  6. Use the check boxes to select what information you want to clear from your history; to clear your entire cache, select all items.
  7. Click Clear Now.
  8. Exit all windows and restart the browser 


  1. Select Clear History/ Clear History and Website Data from the Safari menu
  2. Select time range, and then click Clear History.
  3. Go to Safari > Quit Safari or press Command-Q to exit the browser completely 
  4. Check if the error still occurs.  

Reinstalling/updating Chrome

You should check for an update in Chrome if all the above solutions fail to work. Immediately update your browser if any update available and, after restarting your computer, try accessing Netflix again. 

Reinstall your browser if it is already up-to-date. Sometimes installation may become corrupt and only fixed by reinstalling the browser. Try streaming Netflix without user sync after reinstalling Chrome. This will eliminate the possibility of a ‘user’ issue.

  1. Press Windows key + R to open the dialogue box
  2. Type “appwiz.cpl” in the dialogue box and press Enter.
  3. Search for ‘Google Chrome’ in application manager
  4. Right-click and select uninstall
  5. Go to the official website of Chrome to download the latest version after restarting your computer.
  6. Check if the error still occurs after reinstallation.

Checking Netflix server status

There is a possibility that an offline Netflix server triggers the error. Few cases have been reported where the offline server caused the error. You can check your server status by visiting If it’s offline, you will have to wait until it’s up and running.


Getting any error that prevents you from enjoying the content on Netflix can be extremely frustrating; hopefully, now you know how to deal with the error code m7121-1331-P7 issue so that you can go back to streaming without any problems. We suggest that you systematically use all the methods provided in this article until the fault is fixed.

Remember, you need to have an updated browser and a trouble-free, fast internet connection to enjoy the best streaming experience on Netflix. Let team Reviewsed know which method worked for you?

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Raheel is a passionate tech blogger writing in the tech industry for the last 8 years; He is working as a senior technical writer at Reviewsed.