You cannot install the Automatic Update Client (835399)

SYMPTOMS

When you try to install the Microsoft Windows Automatic Update Client, the installation does not succeed, and you may receive the following error message:

Microsoft Windows Update Auto Update requires Windows 2000 SP2 or Windows XP.

Additionally, the following entries may be logged in the application log: Type: Information
Source: MsiInstaller
Category: None
Event ID: 11708
Date: Date
Time: Time
User: N/A
Computer: Computer_name
Description:
Product: Microsoft Windows Update Auto Update -- Installation failed. Type: Error
Source: MsiInstaller
Category: None
Event ID: 10000
Date: Date
Time: Time
User: N/A
Computer: Computer_name
Description:
The description for Event ID ( 10000 ) in Source ( MsiInstaller ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. The following information is part of the event: Product: Microsoft Windows Update Auto Update -- Microsoft Windows Update Auto Update requires Windows 2000 SP2 or Windows XP., (NULL), (NULL), (NULL), (NULL), (NULL).This behavior may occur if you try to install the Automatic Update Client on any one of the following operating systems:

Windows 2000 Professional Service Pack 3 (SP3) or later
Windows 2000 Server SP3 or later
Windows 2000 Advanced Server SP3 or later
Windows XP Professional Service Pack 1 (SP1) or later
Windows XP Home Edition SP1 or later

CAUSE

The behavior occurs because the Automatic Update Client is already installed on the operating systems that are listed in the "Symptoms" section of this article. The Automatic Update Client can only be installed on the following operating systems:

Windows 2000 Professional Service Pack 2 (SP2)
Windows 2000 Server SP2
Windows 2000 Advanced Server SP2
Windows XP Professional (without SP1)
Windows XP Home Edition (without SP1)

MORE INFORMATION

For more information about the Automatic Update Client, visit the following Microsoft Web page: http://www.microsoft.com/windows2000/downloads/recommended/susclient/default.asp For additional information about Automatic Updates, click the following article numbers to view the articles in the Microsoft Knowledge Base:

306525 HOW TO: Configure and use Automatic Updates in Windows XP

327850 HOW TO: Configure and use Automatic Updates in Windows 2000

323184 Automatic Updates 2.2 client does not detect approved updates from Software Update Services

326693 How to force Automatic Updates 2.2 to perform a detection cycle

328010 How to configure Automatic Updates by using Group Policy or registry settings