Skip to content

How to resolve error code 0x800421F7 on Edge?

Microsoft has worked hard to make Edge a competitive browser for the modern market. However, there are still a few bugs and glitches that need to be ironed out. 

In this article, we’re going over how to fix the error code 0x800421F7 in Edge. The error occurs when the browser tries to update itself but fails to reach Microsoft’s servers. 

Also read: How to remove the ‘Activate Windows’ Watermark?


Close all Edge process

The first thing you should do is try and close all Edge processes from the Taskbar and try again. 

Step 1: Right click the taskbar and click on Task Manager.

How to resolve error code 0x800421F7 on Edge?

Step 2: Under the Processes tab, find and close all Edge related processes. 

How to resolve error code 0x800421F7 on Edge?

Now try restarting the browser and the error should be gone. 

Also read: How to Record Macros in Windows 10?


Run the Network Adaptor Troubleshooter

Windows 10 has many quite effective troubleshooters that can weed out just about any issue with your system. Here’s how to run them.

Step 1: Press Windows Key + I to open Windows Settings. Click on Update and Security. 

How to fix the 'Network Discovery is Turned Off' error in Windows 10?

Step 2: Head over to the Troubleshoot tab and click on Additional troubleshooter.

How to fix the 'Network Discovery is Turned Off' error in Windows 10?

Step 3: Find and run the Network Adaptor troubleshooter.

How to fix the 'Network Discovery is Turned Off' error in Windows 10?

Once the troubleshooter has finished running, restart your PC and try again. 

Also read: How to fix the ‘Network Discovery is Turned Off’ error in Windows 10?


Reset the Network Adaptor

Performing a Network Reset on your PC can also fix this error. 

Step 1: Press Windows Key + I to open Windows Settings. Click on Network & Internet.

How to resolve error code 0x800421F7 on Edge?

Step 2: Under the Status tab, scroll down to find Network reset.

How to resolve error code 0x800421F7 on Edge?

Step 3; Click on Reset now to reset your network stack.

How to resolve error code 0x800421F7 on Edge?

Once your PC has restarted, the error should be resolved. 

Also read: What does Lock the Taskbar mean on Windows 10?


Restart network services

Manually closing Windows network services and then restarting them is also a known solution for this issue. 

Step 1: Press Windows key + X to open the Quick Access menu and click on Command prompt (Admin).

How to resolve error code 0x800421F7 on Edge?

Step 2: Type the following command one after another, pressing enter after each one. 

netsh winhttp reset proxy
net stop wuauserv
net start wuauserv
How to resolve error code 0x800421F7 on Edge?

Once you’re done, restart your system and try again.

Also read: How to automatically delete files from recycle bin in Windows 10?

Hello There!

If you like what you read, please support our publication by sharing it with your friends, family and colleagues. If you're running an Adblocker, we humbly request you to whitelist us.

Share on facebook
Share on whatsapp
Share on twitter
Share on reddit
Share on linkedin
Share on pocket
Share on pinterest
Share on telegram
Share on stumbleupon
Share on digg
Share on tumblr
Share on email
Share on skype
Share on xing
Share on vk
Share on odnoklassniki
Share on mix








>