Script of apply Windows Update automatically. (includes: http://www.vwnet.jp/Windows/PowerShell/FullAutoWU.htm )

call_windows_update.cmd

@echo off
whoami /groups | Find "High Mandatory Level" > NUL
if not errorlevel 1 goto RUN
powershell -Command Start-Process -Verb runas "%0"
exit /b %errorlevel%
:RUN
powershell -NoProfile -ExecutionPolicy Unrestricted "$s=[scriptblock]::create((gc \"%~f0\"|?{$_.readcount -gt 9})-join\"`n\");&$s" %*
exit /b 0

Set-StrictMode -Version 2.0

function MyWget($src, $dst)
{
    set SRCPATH "http://www.vwnet.jp/Windows/PowerShell/ps1/" -option constant
    set DSTPATH "C:\WindowsUpdate\" -option constant
    mkdir -Force $DSTPATH > $null
    $dstfpath = $DSTPATH + $dst
    (new-object System.Net.WebClient).Downloadfile($SRCPATH + $src, $dstfpath)
    $dstfpath
}

MyWget "autowindowsupdate.txt" "AutoWindowsUpdate.ps1" > $null
. (MyWget "SubmitWU.txt" "SubmitWU.ps1") Full

wait_windows_update.cmd

@echo off

rem USAGE: wait_windows_update [command: run if completed] [args for command]

powershell -NoProfile -ExecutionPolicy Unrestricted "$s=[scriptblock]::create((gc \"%~f0\"|?{$_.readcount -gt 8})-join\"`n\");&$s"
%*
exit /b 0

Set-StrictMode -Version 2.0
echo ">>> Awaiting completion of Windows Update... <<<"
$lastLine = ""
do
{
    sleep 10
    $newestFile = dir C:\WU_Log\*.log | sort LastWriteTime -Descending | Select -First 1
    $lastLine = Get-Content $newestFile.FullName | Select-Object -last 1
    echo $lastLine
}
while (-not $lastLine.Contains("Windows Update finished"))