winutil/functions/public/Invoke-WPFUpdatesdefault.ps1

function Invoke-WPFUpdatesdefault {
    <#

    .SYNOPSIS
        Resets Windows Update settings to default

    #>
    If (!(Test-Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU")) {
        New-Item -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" -Force | Out-Null
    }
    Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" -Name "NoAutoUpdate" -Type DWord -Value 0
    Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" -Name "AUOptions" -Type DWord -Value 3
    If (!(Test-Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config")) {
        New-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config" -Force | Out-Null
    }
    Set-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config" -Name "DODownloadMode" -Type DWord -Value 1

    $services = @(
        "BITS"
        "wuauserv"
    )

    foreach ($service in $services) {
        # -ErrorAction SilentlyContinue is so it doesn't write an error to stdout if a service doesn't exist

        Write-Host "Setting $service StartupType to Automatic"
        Get-Service -Name $service -ErrorAction SilentlyContinue | Set-Service -StartupType Automatic
    }
    Write-Host "Enabling driver offering through Windows Update..."
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\Device Metadata" -Name "PreventDeviceMetadataFromNetwork" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DriverSearching" -Name "DontPromptForWindowsUpdate" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DriverSearching" -Name "DontSearchWindowsUpdate" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DriverSearching" -Name "DriverUpdateWizardWuSearchEnabled" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" -Name "ExcludeWUDriversInQualityUpdate" -ErrorAction SilentlyContinue
    Write-Host "Enabling Windows Update automatic restart..."
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" -Name "NoAutoRebootWithLoggedOnUsers" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" -Name "AUPowerManagement" -ErrorAction SilentlyContinue
    Write-Host "Enabled driver offering through Windows Update"
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings" -Name "BranchReadinessLevel" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings" -Name "DeferFeatureUpdatesPeriodInDays" -ErrorAction SilentlyContinue
    Remove-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings" -Name "DeferQualityUpdatesPeriodInDays" -ErrorAction SilentlyContinue
    Write-Host "==================================================="
    Write-Host "---  Windows Update Settings Reset to Default   ---"
    Write-Host "==================================================="
}