Here’s a quick and easy way to reset Microsoft Edge, or repair, to fix any issues, including freezes, crashes, slowness, or when the browser is not opening.
Full Article: http://pureinfotech.com/fix-microsoft-edge-windows-10/

This option is available starting with the Windows 10 Fall Creators Update.

Important: If Microsoft Edge is available after the reset, use this command on PowerShell (admin): Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)//AppXManifest.xml” -Verbose}

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