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.
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.
Step 2: Under the Processes tab, find and close all Edge related processes.
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.
Step 2: Head over to the Troubleshoot tab and click on Additional troubleshooter.
Step 3: Find and run the Network Adaptor troubleshooter.
Once the troubleshooter has finished running, restart your PC and try again.
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.
Step 2: Under the Status tab, scroll down to find Network reset.
Step 3; Click on Reset now to reset your network stack.
Once your PC has restarted, the error should be resolved.
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).
Step 2: Type the following command one after another, pressing enter after each one.
netsh winhttp reset proxy net stop wuauserv net start wuauserv
Once you’re done, restart your system and try again.
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