Ok, give these a try:
Reset Microsoft Edge:
Open Start, type: powershell
Right click PowerShell then click Run as administrator
At the prompt, type:
Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($\_.InstallLocation)\AppXManifest.xml” -Verbose}
Hit Enter
When complete, exit PowerShell, restart your computer then check if Edge is working again.
Scan your computer:
https://www.groovypost.com/howto/clean-virus-in...
Open Start > Settings > Privacy > Background apps
Disable all Background apps including Microsoft Edge