Powershell script to install Windows Updates (msu) from folder

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#

# Name: InstallWindowsUpdates.ps1

# Author: Tony Murray

# Version: 1.0

# Date: 16/11/2010

# Comment: PowerShell script to install

# Windows Update files

#

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# Specify the location of the *.msu files

$updatedir = "C:\E2010 SP1 Prereqs\"

###

$files = Get-ChildItem $updatedir -Recurse

$msus = $files | ? {$_.extension -eq ".msu"}

foreach ($msu in $msus)

{

    write-host "Installing update $msu ..."

    $fullname = $msu.fullname

    # Need to wrap in quotes as folder path may contain spaces

    $fullname = "`"" + $fullname + "`""

    # Specify the command line parameters for wusa.exe

    $parameters = $fullname + " /quiet /norestart"

    # Start wusa.exe and pass in the parameters

    $install = [System.Diagnostics.Process]::Start( "wusa",$parameters )

    $install.WaitForExit()

    write-host "Finished installing $msu"

}

write-host "Restarting Computer"

#Restart-Computer