Powershell - Trap Event in the registry

When you delete a value in the registry an event produce

if ((Test-Path -Path HKU:\) -ne $true)

{

       New-PSDrive -PSProvider Registry -Name HKU -Root HKEY_USERS

}

$query = "Select * from RegistryTreeChangeEvent where Hive='HKEY_USERS' AND RootPath='xxxxxxxxxxxxxxxxxxxxxxxxx\\Software\\Policies\\Google\\Chrome'"

Register-WmiEvent -SourceIdentifier "Start" -Query $query -Action {   

       Remove-ItemProperty -Path "HKU:\xxxxxxxxxxxxxxxxxxxxxxx\Software\Policies\Google\Chrome" -Name "DefaultSearchProviderNewTabURL" -ErrorAction SilentlyContinue

       Remove-ItemProperty -Path "HKU:\xxxxxxxxxxxxxxxxxxxxxxxxx\Software\Policies\Google\Chrome" -Name "DefaultSearchProviderName" -ErrorAction SilentlyContinue

       Remove-ItemProperty -Path "HKU:\xxxxxxxxxxxxxxxxxxxxxxxxx\Software\Policies\Google\Chrome" -Name "DefaultSearchProviderIconURL" -ErrorAction SilentlyContinue

       Remove-ItemProperty -Path "HKU:\xxxxxxxxxxxxxxxxxxxxxxxxx\Software\Policies\Google\Chrome" -Name "HomepageLocation" -ErrorAction SilentlyContinue

       Remove-ItemProperty -Path "HKU:\xxxxxxxxxxxxxxxxxxxxxxxxx\Software\Policies\Google\Chrome" -Name "DefaultSearchProviderSearchURL" -ErrorAction SilentlyContinue

      

       Write-Host "Something Changed"

}