Error message when you run a beta version of Windows Defender: "Application failed to initialize: 0x800106ba"

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Article ID: 930522 - View products that this article applies to.
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SYMPTOMS

When you run the prerelease (beta) version of Windows Defender, you may receive the following error message:
Application failed to initialize: 0x800106ba. A problem caused this program's service to stop. To start the service, restart your computer or search Help and Support for how to start a service manually.

CAUSE

This problem occurs because the beta version of Windows Defender expired on December 31, 2006. When you try to start the Windows Defender service after this date, you receive the error message that is mentioned in the "Symptoms" section.

RESOLUTION

To resolve this problem, use one of the following methods.

Windows XP and Windows Server 2003

To resolve this problem in Microsoft Windows XP or in Microsoft Windows Server 2003, install the release version of Windows Defender to continue protecting your computer. For more information about the release version of Windows Defender, visit the following Microsoft Web site:
http://www.microsoft.com/athome/security/spyware/software/default.mspx

Windows 2000

To resolve this problem in Microsoft Windows 2000, uninstall Windows Defender. Windows Defender is not supported in Windows 2000.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

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Article ID: 930522 - Last Review: July 1, 2010 - Revision: 2.0
APPLIES TO
  • Windows Defender (Beta 2)
  • Microsoft Security Essentials
Keywords: 
kbtshoot kbprb KB930522
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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