CopyWUPowershellModule.ps1

function Copy-WUPowershellModule($computerName) {
    $remotePath = "\\$($computerName)\c$\Windows\System32\WindowsPowerShell\v1.0\Modules\PSWindowsUpdate"
    $localPath = "C:\Windows\System32\WindowsPowerShell\v1.0\Modules\PSWindowsUpdate"
    if (! (Test-Path $remotePath )) {
        Write-Host "Copying powershell module."
        Copy-Item $localPath -Destination $remotePath -Recurse -Force
    }
    $command = {
        ##Add the Microsoft Update service 
        Add-WUServiceManager -ServiceID 7971f918-a847-4430-9279-4a52d1efe18d -Confirm:$false
    }
    Invoke-Command -ComputerName $computerName -ScriptBlock $command
}