Task - Install Windows Updates

Set-ExecutionPolicy Unrestricted -Force
Install-PackageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Force
Install-Module PSWindowsUpdate -Force
Import-Module PSWindowsUpdate -Force

do {
    # Retrieve list of available updates
    "Checking for new updates..."
    $updates = Get-WUList -Verbose -NotTitle Silverlight

    # Count how many updates are available
    $updatenumber = ($updates.kb).count

    # If there are available updates proceed with installing the updates and then reboot
    if ($null -ne $updates) {
        Get-WindowsUpdate -AcceptAll -Install -AutoReboot -NotTitle Silverlight | Out-File $env:temp\PSWindowsUpdate.log
        # Show update status until the amount of installed updates equals the same as the amount of updates available
        Start-Sleep -Seconds 30
        do {
            $updatestatus = Get-Content $env:temp\PSWindowsUpdate.log
            "Currently processing the following update:"
            Get-Content $env:temp\PSWindowsUpdate.log | select-object -last 1
            Start-Sleep -Seconds 10
            $ErrorActionPreference = 'SilentlyContinue'
            $installednumber = ([regex]::Matches($updatestatus, "Installed" )).count
            $ErrorActionPreference = 'Continue'
        }
        until ( $installednumber -eq $updatenumber)
    }
}
until($null -eq $updates)

# Update all Windows Store apps
Get-CimInstance -Namespace "Root\cimv2\mdm\dmmap" -ClassName "MDM_EnterpriseModernAppManagement_AppManagement01" | Invoke-CimMethod -MethodName UpdateScanMethod
Write-Output "Windows is now up to date, restarting"
shutdown /r /f