How To Fix Peacock “Unexpected Fatal Error”?

Hi, It seems you have got the “Unexpected Fatal Error” message while using Peacock right? That too when you’re looking forward to streaming your favorite shows or events. This error can occur for multiple reasons, like connectivity issues to software glitches.

Below are steps to help you troubleshoot and resolve this error, to make sure you can get back to enjoying your content as quickly as possible.

Understanding the Error “Unexpected Fatal Error”

An “Unexpected Fatal Error” indicates that the Peacock app or website has encountered a serious issue that it is unable to recover from, leading to a crash or inability to proceed. This error can be caused by server-side problems, issues with your device, or internet connection issues

Basic Checks

This initial check is to make sure, We are not missing the major part before following the troubleshooting guide

1. Check for Peacock downtime or technical difficulties.: As part of the initial check, Check if Peacock is experiencing widespread issues. Visit their official social media channels to see if there are any announcements regarding server downtime or technical difficulties.

2. Reboot Your Device: If it is a client/user side issue, A simple restart can resolve many technical issues by clearing temporary files and freeing up system resources.

3. Check Your Internet Connection: Make sure your internet connection is stable and fast enough for streaming. Try using different apps to make sure or use speed test tools available on the internet

Troubleshooting Steps

For All Devices

1. Update the Peacock App: It is always a best practice to have latest version of the Peacock app. Mostly latest version of the app will have all the bug fixes and the latest update for any performance issues

2. Clear App Cache and Data: Clearing the app cache can also help to solve “unexpected fatal error” if it is being caused as a result of a temporary glitch within the app or a corrupt saved cache data. Follow the below steps to clear up your app cache for both Android as well as iOS platforms:

  • For Android OS: Go to the device’s Settings menu and click on the Apps option. Under apps, scroll and tap on the Peacock TV app. In the apps info page, click on the Storage & cache option and tap on the Clear Cache option. Once the app cache has been cleared, launch the app, log in to your account, and check if the error has been resolved.
  • For iOS: Go to your Settings menu from the Home screen. Then, on the next page, scroll down and select the Peacock TV app. Under the app page, toggle on the clear app cache on the next launch option and relaunch the app. Login to your account and see if the error still occurs while trying to stream your content on the app.

3. Reinstall the Peacock App: Try reinstalling the Peacock app and check if it can resolve underlying issues related to app installation or updates.

4. Check Device Compatibility: Incompatibility between the Peacock TV app and your OS platform can also cause “unexpected fatal error” to occur. Therefore, before trying any other methods, it is advised to check for any such compatibility issues between the app and your OS platforms. If there are any compatibility issues, make changes accordingly to your system software to run the app smoothly.You can find a list of supported devices on the Peacock website.

For Web Browsers

1. Clear Browser Cache and Cookies: Similar to the app, your web browser’s cache and cookies can cause issues. Clearing them can resolve unexpected errors.

For example, if you are using Google Chrome:

Google Chrome -> More option (Top right corner) -> Clear browsing data -> select time ranger -> clear data

2. Turn Off Extra Browser add-ons: Some things you add to your browser can stop your shows from playing right like “popup blocker” etc . Try turning these extras off, or use a secret window to see if it helps with the problem.

3. Update Your Browser: Make sure you are in the latest version of your web browser to ensure compatibility and security, potentially resolving the error.

Fixing Network Problems

1. Restart Your Router: Sometimes, just turning your router off and then back on again can clear up any network issues messing with your streaming.

2. Use a Wired Connection: You can try plugging your device straight into the router with a LAN cable. It often makes your internet faster and more reliable, especially if your Wi-Fi isn’t great.

3. Check In With Your Internet Provider: If your internet is slow or keeps cutting out, calling your internet company can help. They might have a fix or explain what’s happening.

Additional Tips

  • Sometimes, things like your game consoles or other devices like mobile etc that use the internet might be taking up too much internet, making your shows not play well. Turning these off for a bit can show if they are causing the problem.
  • If you’ve tried all the above steps mentioned and still are getting the error, Then it would be best to talk to Peacock’s help team. They can give you special help or let you know if they are fixing a known problem.
  • Also, joining groups that are available in the public like Reddit, Quora etc on the internet can be really helpful. People there share their own tips and tricks that might work for you too.


Resolving the “Unexpected Fatal Error” on Peacock involves a combination of checking service status, ensuring your device and app are up to date, clearing caches, and ensuring a stable internet connection. By systematically following these steps, you can identify and resolve the root cause of the error.

Happy Learning !!

Jerry Richard
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