Microsoft Edge browser missing from Settings - System - Default App - Web browser -Choose an app. I can make default browser by Reset.
Try this Win + R and enter: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe At the PowerShell command prompt, enter: Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppxManifest.xml"}