Registry Home > Windows > System

Manage Automatic Windows Updates (Windows 2000/XP) Popular

These settings can be used to configure how Automatic Updates are applied to the Windows system. It includes the ability to disable automatic updates and to set the installation schedule.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create the required DWORD values from table below:

Value: NoAutoUpdate

  • 0 - Enable Automatic Updates (Default)
  • 1 - Disable Automatic Updates

    Value: AUOptions

  • 2 - Notify for download and notify for install
  • 3 - Auto download and notify for install
  • 4 - Auto download and schedule the install

    Value: ScheduledInstallDay

  • 0 - Install every day
  • 1 to 7 - Install on specific day of the week from Sunday (1) to Saturday (7).

    Value: ScheduledInstallTime

  • 0 to 23 - Install time of day in 24-hour format

    Restart Windows for the changes to take effect.

    Registry Editor Example
    |(Default)REG_SZ(value not set)|
    |NoAutoUpdateREG_DWORD0x00000000 (0)|
    |AUOptionsREG_DWORD0x00000002 (2)|
    |ScheduledInstallDayREG_DWORD0x00000000 (0)|
    |ScheduledInstallTimeREG_DWORD0x0000012 (18)|
    Registry Settings
    System Key: [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate\AU]
    Value Name: NoAutoUpdate, AUOptions, ScheduledInstallDay, ScheduledInstallTime
    Data Type: REG_DWORD (DWORD Value)

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    Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

  • Last modified: September 10, 2002