winutil/functions/public/Invoke-WPFUpdatesdefault.ps1

function Invoke-WPFUpdatesdefault {
    <#

    .SYNOPSIS
        Resets Windows Update settings to default

    #>
    Write-WinUtilLog -Component "Updates" -Message "Resetting Windows Update settings to default."

    Write-Host "Removing Windows Update settings managed by WinUtil..." -ForegroundColor Green
    Write-WinUtilLog -Component "Updates" -Message "Removing Windows Update registry values managed by WinUtil."

    $registryValues = @(
        @{
            Path = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU"
            Names = @("NoAutoUpdate", "AUOptions", "NoAutoRebootWithLoggedOnUsers", "AUPowerManagement")
        },
        @{
            Path = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate"
            Names = @("ExcludeWUDriversInQualityUpdate", "DeferFeatureUpdates", "DeferFeatureUpdatesPeriodInDays", "DeferQualityUpdates", "DeferQualityUpdatesPeriodInDays")
        },
        @{
            Path = "HKLM:\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings"
            Names = @("BranchReadinessLevel", "DeferFeatureUpdatesPeriodInDays", "DeferQualityUpdatesPeriodInDays")
        },
        @{
            Path = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\Device Metadata"
            Names = @("PreventDeviceMetadataFromNetwork")
        },
        @{
            Path = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DriverSearching"
            Names = @("DontPromptForWindowsUpdate", "DontSearchWindowsUpdate", "DriverUpdateWizardWuSearchEnabled")
        },
        @{
            Path = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config"
            Names = @("DODownloadMode")
        }
    )

    foreach ($registryEntry in $registryValues) {
        foreach ($valueName in $registryEntry.Names) {
            Remove-ItemProperty -Path $registryEntry.Path -Name $valueName -ErrorAction SilentlyContinue
        }
    }

    $explorerPolicyPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer"
    $settingsPageVisibility = (Get-ItemProperty -Path $explorerPolicyPath -Name "SettingsPageVisibility" -ErrorAction SilentlyContinue).SettingsPageVisibility
    if ($settingsPageVisibility -eq "hide:windowsupdate") {
        Write-Host "Removing WinUtil's legacy Windows Update page restriction..."
        Write-WinUtilLog -Component "Updates" -Message "Removing the legacy Windows Update settings page restriction."
        Remove-ItemProperty -Path $explorerPolicyPath -Name "SettingsPageVisibility" -ErrorAction SilentlyContinue
    }

    Write-Host "Reenabling Windows Update Services..." -ForegroundColor Green
    Write-WinUtilLog -Component "Updates" -Message "Restoring Windows Update service startup types."

    Write-Host "Restored BITS to Manual."
    Write-WinUtilLog -Component "Updates" -Message "Restoring BITS service to Manual."
    Set-Service -Name BITS -StartupType Manual

    Write-Host "Restored wuauserv to Manual."
    Write-WinUtilLog -Component "Updates" -Message "Restoring wuauserv service to Manual."
    Set-Service -Name wuauserv -StartupType Manual

    Write-Host "Restored UsoSvc to Automatic."
    Write-WinUtilLog -Component "Updates" -Message "Starting UsoSvc service and restoring startup type to Automatic."
    Set-Service -Name UsoSvc -StartupType Automatic
    Start-Service -Name UsoSvc

    Write-Host "Enabling update related scheduled tasks..." -ForegroundColor Green
    Write-WinUtilLog -Component "Updates" -Message "Enabling update related scheduled tasks."

    $Tasks =
        '\Microsoft\Windows\InstallService\*',
        '\Microsoft\Windows\UpdateOrchestrator\*',
        '\Microsoft\Windows\UpdateAssistant\*',
        '\Microsoft\Windows\WaaSMedic\*',
        '\Microsoft\Windows\WindowsUpdate\*',
        '\Microsoft\WindowsUpdate\*'

    foreach ($Task in $Tasks) {
        Get-ScheduledTask -TaskPath $Task -ErrorAction SilentlyContinue | Enable-ScheduledTask -ErrorAction SilentlyContinue
    }

    Write-Host "===================================================" -ForegroundColor Green
    Write-Host "---  Windows Update Settings Reset to Default   ---" -ForegroundColor Green
    Write-Host "===================================================" -ForegroundColor Green

    Write-Host "Note: You must restart your system in order for all changes to take effect." -ForegroundColor Yellow
    Write-WinUtilLog -Component "Updates" -Message "Windows Update default workflow completed. Restart required."
}