Step 1: Delete App Data for Edge
Open Windows Explorer and navigate to the following directory :
C:\Users\USERNAME\AppData\Local\Packages
For example, in my PC, the location is like this : C:\Users\Akhil\AppData\Local\Packages.
Find the folder named Microsoft.MicrosoftEdge_8wekyb3d8bbwe and delete it. If the system denies the deletion process of some files, skip them. After deleting, restart your PC.
Step 2: Reinstall Microsoft Edge using PowerShell
Open Start, type powershell. Right click on the result named Windows PowerShell and select Run as administrator.
After opening Windows powershell, copy and paste the following command in the Powershell terminal and press the Enter key.
Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml” -verbose}
Now it will show some operations screen, it will show this text : Operation completed. Restart your PC when done and launch Microsoft Edge browser, everything should be good. Your browser will become like a newly installed one.