Error message when you try to install Windows Defender Beta 2: "Error 1609. An error occurred while applying security settings. User is not a valid user or group." (915087)


The information in this article applies to:

  • Windows Defender (Beta 2)

Beta Information

This article discusses a Beta release of a Microsoft product. The information in this article is provided as-is and is subject to change without notice.

No formal product support is available from Microsoft for this Beta product. For information about how to obtain support for a Beta release, see the documentation that is included with the Beta product files, or check the Web location where you downloaded the release.

SYMPTOMS

When you try to install Microsoft Windows Defender Beta 2 on a computer that is running a non-English language version of Microsoft Windows Server 2003, Microsoft Windows XP, or Microsoft Windows 2000, you may receive the following error message:
Error 1609

An error occurred while applying security settings. User is not a valid user or group. This could be a problem with the package, or a problem connecting to a domain controller on the network.

RESOLUTION

An updated version of Windows Defender Beta 2 is available. To download the updated version, visit the following Microsoft Web site:

http://www.microsoft.com/athome/security/spyware/software/default.mspx

If you are running Windows Defender Beta 2 on a non-English version of Windows, uninstall the earlier version, and then install the latest version. If you are running an English version of Windows, you do not have to install the updated version.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

Technical support for x64-based versions of Microsoft Windows

Your hardware manufacturer provides technical support and assistance for x64-based versions of Windows. Your hardware manufacturer provides support because an x64-based version of Windows was included with your hardware. Your hardware manufacturer might have customized the installation of Windows with unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with your x64-based version of Windows. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:

http://www.microsoft.com/windowsxp/64bit/default.mspx

For product information about x64-based versions of Microsoft Windows Server 2003, visit the following Microsoft Web site:

http://www.microsoft.com/windowsserver2003/64bit/x64/default.mspx

Modification Type:MinorLast Reviewed:9/5/2006
Keywords:ATdownload kbExpertiseBeginner kberrmsg KB915087 kbAudEndUser
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