Disable Windows Update

# Run as Administrator

# Set NoAutoUpdate policy
Write-Host "Setting NoAutoUpdate policy..."
New-Item -Path "HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate\AU" -Force | Out-Null
Set-ItemProperty -Path "HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate\AU" -Name "NoAutoUpdate" -Value 1
Write-Host "...done"

# Stop and disable Windows Update service
Write-Host "Stopping and disabling Windows Update service..."
Set-Service -Name wuauserv -StartupType Disabled
Stop-Service -Name wuauserv -Force
Write-Host "...done"

# Disable Windows Update scheduled tasks
Write-Host "Disabling Windows Update scheduled tasks..."
$tasks = @(
    "\Microsoft\Windows\WindowsUpdate\Scheduled Start",
    "\Microsoft\Windows\WindowsUpdate\Automatic App Update",
    "\Microsoft\Windows\WindowsUpdate\sih",
    "\Microsoft\Windows\WindowsUpdate\sihboot"
)

foreach ($task in $tasks) {
        Write-Host "Disabling task: $task ..."
        Disable-ScheduledTask -TaskPath $task.Substring(0, $task.LastIndexOf("\") + 1) -TaskName $task.Substring($task.LastIndexOf("\") + 1)
        Write-Host "... done"
}
Write-Host "...done"

Write-Host "Windows Update has been disabled."