[windows] disable Windows Update Medic Service (#8431)

Related: https://github.com/actions/runner-images-internal/issues/5463

Author: ilia-shipitsin

images/win/scripts/Installers/Initialize-VM.ps1

@@ -49,6 +49,9 @@ Get-ScheduledTask -TaskName ServerManager | Disable-ScheduledTask
 Write-Host "Disable 'Allow your PC to be discoverable by other PCs' popup"
 New-Item -Path HKLM:\System\CurrentControlSet\Control\Network -Name NewNetworkWindowOff -Force
 
+Write-Host 'Disable Windows Update Medic Service'
+Set-ItemProperty -Path HKLM:\System\CurrentControlSet\Services\WaaSMedicSvc -Name Start -Value 4 -Force
+
 Write-Host "Disable Windows Update"
 Disable-WindowsUpdate
 
@@ -73,4 +76,4 @@ Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name
 $driveLetter = "C"
 $size = Get-PartitionSupportedSize -DriveLetter $driveLetter
 Resize-Partition -DriveLetter $driveLetter -Size $size.SizeMax
-Get-Volume | Select-Object DriveLetter, SizeRemaining, Size | Sort-Object DriveLetter
+Get-Volume | Select-Object DriveLetter, SizeRemaining, Size | Sort-Object DriveLetter