Why?
It’s annoying if Windows keep updating automatically in the background and even reboot when idle.
Risk?
Yes, If auto updates are disabled, one should take care to manually update Windows on a regular basis.
How?
Run PowerShell (as Administrator):
function disableWindowsAutoUpdate{
param(
$windowsRegHive='REGISTRY::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows',
$hiveName='WindowsUpdate',
$keyName='AU',
$disable='0'
)
try{
# set the Windows Update service to "disabled"
stop-service wuauserv -force
set-service wuauserv -startup disabled
$currentAUSettings=(get-itemproperty 'REGISTRY::HKLM\SYSTEM\CurrentControlSet\Services\wuauserv').Start
if($currentAUSettings -eq 4){
write-host "Windows Automatic Updates have been disabled."
}
$autoUpdateSettings = (New-Object -com 'Microsoft.Update.AutoUpdate').Settings
$autoUpdateSettings.NotificationLevel=1
$autoUpdateSettings.Save
write-host "Option to 'never check for update (not recommended)' has been set"
# Set Windows AU registry key
if(!(get-item "$windowsRegHive\$hiveName")){
New-Item -Path $windowsRegHive -Name $hiveName -Force
}
$null=New-ItemProperty -Path "$windowsRegHive\$hiveName" -Name $keyName -Value $disable -PropertyType DWORD -Force
write-host "Registry key $keyName has been set to value $disable"
return $true
}catch{
write-warning $_
return $false
}
}
# Legacy commands
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\WaasMedicSvc /v Start /f /t REG_DWORD /d 4
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /v Start /f /t REG_DWORD /d 4
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /v Start /f /t REG_DWORD /d 4
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