A. I described the Automatic Updates options you can set with the user interface in a previous FAQ. You can use the registry to configure these same Automatic Updates options by performing the following steps:
- Start a registry editor (e.g., regedit.exe).
- Navigate to the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update subkey.
- Set the DWORD values according to the table below.
- Close the registry editor.
| Function | AUOptions value | AUState value | ScheduledInstallDay | ScheduledInstallTime |
| Disable automatic update | 1 | 7 | ||
| Notify before download | 2 | 2 | ||
| Download automatically | 3 | 2 | ||
| Download and install automatically | 4 | 2 | Numeric, indicating day--0 for every day or 1 to 7 for Sunday to Saturday (e.g., Monday is 2) | Numeric, indicating hour--0 for midnight, 23 for 11:00 pm (e.g., 17 for 5:00 pm) |
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