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Disable automatic daily installation of Windows updates

Overview​

About this script

This script improves your privacy on Windows.

These changes use Windows system commands to update your settings.

This script stops Windows from automatically installing updates every day. By doing so, you gain control over when update happen on your computer 1 2.

By default, Windows is set to automatically update every day 2. Having control over the update timing allows you to review what is being changed, thereby protecting your privacy and enhancing your system's security.

Technically, what the script does is remove a specific setting in the computer's system registry, the ScheduledInstallDay key from HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU 1 2.

Disabling the scheduled install day ensures that updates won't be forcibly applied on a specific day of the week.

This script uses Batch (batchfile) scripting language.

Not Advised

This script should only be used by advanced users. This script is not recommended for daily use as it breaks important functionality. Do not run it without having backups and system snapshots.

Implementation Details

  • Language: batch

  • Required Privileges: Administrator rights

  • Compatibility: Windows only

  • Reversibility: Can be undone using provided revert script

Explore Categories​

This action belongs to Disable automatic updates category. Disabling automatic updates is often considered counterintuitive when it comes to securing your system. However, there are substantial arguments to consider this option if you're privacy-centric: 1. Patching and Pre-Approval: Manual control over update deployment allows for pre-emptive... Read more on category page ▶

Apply now​

Choose one of three ways to apply:

  1. Automatically via privacy.sexy: The easiest and safest option.
  2. Manually by downloading: Requires downloading a file.
  3. Manually by copying: Advanced flexibility.

Alternative 1. Apply with Privacy.sexy​

privacy.sexy is free and open-source application that lets securely apply this action easily.

Open privacy.sexy

You can fully restore this action (revert back to the original behavior) using the application.

privacy.sexy instructions
  1. Open or download the desktop application
  2. Search for the script name: Disable automatic daily installation of Windows updates.
  3. Check the script by clicking on the checkbox.
  4. Click on Run button at the bottom of the page.

Alternative 2. Download​

Irreversible Changes

This script is irreversible, meaning there is no straightforward method to restore changes once applied. Exercise caution before running, restoring it may not be possible.

  1. Download the script file by clicking on the button below:

    Download script

  2. Run the script file by clicking on it.

Download revert script​

This file restores your system to its original state, before this script is applied.

Download restore script

Alternative 3. Copy​

This is for advanced users. Consider automatically applying or downloading the script for simpler way.

  1. Open Command Prompt as administrator.
HELP: Step-by-step guide

  1. Click on Start menu

  2. Type cmd

  3. Right click on Command Prompt select Run as administrator

  4. Click on Yes to run Command Prompt

Animation showing how to open terminal as administrator on Windows 11

  1. Copy the following code:
Code to apply changes
:: Delete the registry value "ScheduledInstallDay" from the key "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" 
PowerShell -ExecutionPolicy Unrestricted -Command "$keyName = 'HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU'; $valueName = 'ScheduledInstallDay'; $hive = $keyName.Split('\')[0]; $path = "^""$($hive):$($keyName.Substring($hive.Length))"^""; Write-Host "^""Removing the registry value '$valueName' from '$path'."^""; if (-Not (Test-Path -LiteralPath $path)) { Write-Host 'Skipping, no action needed, registry key does not exist.'; Exit 0; }; $existingValueNames = (Get-ItemProperty -LiteralPath $path).PSObject.Properties.Name; if (-Not ($existingValueNames -Contains $valueName)) { Write-Host 'Skipping, no action needed, registry value does not exist.'; Exit 0; }; try { if ($valueName -ieq '(default)') { Write-Host 'Removing the default value.'; $(Get-Item -LiteralPath $path).OpenSubKey('', $true).DeleteValue(''); } else { Remove-ItemProperty -LiteralPath $path -Name $valueName -Force -ErrorAction Stop; }; Write-Host 'Successfully removed the registry value.'; } catch { Write-Error "^""Failed to remove the registry value: $($_.Exception.Message)"^""; }"
  1. Right click on command prompt to paste it.
  2. Press Enter to apply remaining code.

Copy restore code​

Copy and run the following code to restore changes:

Revert code
:: Remove the registry value "ScheduledInstallDay" from key "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" to restore its original state 
PowerShell -ExecutionPolicy Unrestricted -Command "$keyName = 'HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU'; $valueName = 'ScheduledInstallDay'; $hive = $keyName.Split('\')[0]; $path = "^""$($hive):$($keyName.Substring($hive.Length))"^""; Write-Host "^""Removing the registry value '$valueName' from '$path'."^""; if (-Not (Test-Path -LiteralPath $path)) { Write-Host 'Skipping, no action needed, registry key does not exist.'; Exit 0; }; $existingValueNames = (Get-ItemProperty -LiteralPath $path).PSObject.Properties.Name; if (-Not ($existingValueNames -Contains $valueName)) { Write-Host 'Skipping, no action needed, registry value does not exist.'; Exit 0; }; try { if ($valueName -ieq '(default)') { Write-Host 'Removing the default value.'; $(Get-Item -LiteralPath $path).OpenSubKey('', $true).DeleteValue(''); } else { Remove-ItemProperty -LiteralPath $path -Name $valueName -Force -ErrorAction Stop; }; Write-Host 'Successfully removed the registry value.'; } catch { Write-Error "^""Failed to remove the registry value: $($_.Exception.Message)"^""; }"

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