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How to troubleshoot Windows Update, Microsoft Update, and Windows Server Update Services installation issues

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks

Article ID: 906602 - Last Review: May 1, 2012 - Revision: 13.0

Troubleshoot common installation issues in Windows Update, Microsoft Update, and Windows Server Update Services

If you are a Small Business customer, find additional troubleshooting and learning resources at the Support for Small Business (http://smallbusiness.support.microsoft.com) site.

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SUMMARY

This article describes how to troubleshoot common issues that may occur when you try to install an update by using Windows Update, Microsoft Update, or Windows Server Update Services.

Introduction

When you use Windows Update, Microsoft Update, or Windows Server Update Services (WSUS) to install updates, you may experience one or more of the following issues:
  • You are offered an update for a product, but the update does not download or install on your computer.
  • You are repeatedly offered an update, even though you have already installed this update.
  • A particular update does not install successfully.

How to troubleshoot update installation issues for Microsoft Windows and Microsoft Office

To troubleshoot these issues, use one of the following methods. The first method is intended for a general audience. The other methods are intended for more advanced users.

Method 1: Search for the installation error code in the Windows Update Troubleshooter

Click here to view or hide detailed information

Method 2: Fix the known issues

You may also encounter the following issues when you try to install this update:
  • The update does not install successfully.
  • You get reminders to install this update, even though you already installed it.
  • The desktop does not load.
If you encounter one of these issues, try the following methods.

Click here to view or hide detailed information

Advanced information for advanced users

This section is intended for advanced computer users. For help with advanced troubleshooting, ask your system administrator or contact Microsoft Support at:
http://go.microsoft.com/fwlink/?linkID=21608 (http://go.microsoft.com/fwlink/?linkID=21608)

Steps to take when the error message is listed as 0x80070643, and no extended error is returned

Sometimes, the extended error is not available in the installation history or in the Windowsupdate.log file. Only error 0x80070643 is returned. To resolve this issue, see the "Information about updates that are installed by using Windows Installer" section later in this article.

Information about updates that are installed by using the command-line installer, Package Installer for Windows, or Windows Installer

Click here to view or hide detailed information

Similar problems and solutions

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
Windows Update error 80072ee2 (http://windows.microsoft.com/en-us/windows-vista/Windows-Update-error-80072ee2)
Windows Update Error 800B0100 (http://windows.microsoft.com/en-GB/windows-vista/Windows-Update-error-800B0100)
2507641  (http://kbalertz.com/Feedback.aspx?kbNumber=2507641/ ) Error code "0x8007066A" or "66A" when you use the Windows Update or Microsoft Update Web site to install .Net Framework updates
903773  (http://kbalertz.com/Feedback.aspx?kbNumber=903773/ ) No appropriate Microsoft Office updates are displayed when you use Microsoft Update or Windows Server Update Services
903775  (http://kbalertz.com/Feedback.aspx?kbNumber=903775/ ) Office updates are offered to a user even if that user has installed those updates when you use WSUS to deploy software updates and hotfixes to computers that are in your organization
902349  (http://kbalertz.com/Feedback.aspx?kbNumber=902349/ ) How to change the source for a client computer from an updated administrative installation point to an Office 2003 original baseline source or Service Pack 2
903776  (http://kbalertz.com/Feedback.aspx?kbNumber=903776/ ) Office updates are not successfully installed if you deploy updates by using Windows Server Update Services after the path of the local installation source changes
903774  (http://kbalertz.com/Feedback.aspx?kbNumber=903774/ ) If you disable the Ose.exe file, Microsoft Office updates do not install when you use Microsoft Windows Server Update Services to deploy software updates and hotfixes to computers in the organization
907380  (http://kbalertz.com/Feedback.aspx?kbNumber=907380/ ) You are not offered any Microsoft Office updates from the Microsoft Windows Update Web site or Windows Server Update Services
908480  (http://kbalertz.com/Feedback.aspx?kbNumber=908480/ ) You cannot install some earlier updates if an exclusive update is offered on the Microsoft Windows Update Web site or on the Microsoft Update Web site
304498  (http://kbalertz.com/Feedback.aspx?kbNumber=304498/ ) How to troubleshoot failures updating your Office installation from the Office Update Web site
902992  (http://kbalertz.com/Feedback.aspx?kbNumber=902992/ ) Windows Update or Microsoft Update offer updates for products that are not installed on the computer
824643  (http://kbalertz.com/Feedback.aspx?kbNumber=824643/ ) How to troubleshoot Microsoft .NET Framework 1.1 installation issues in Windows XP or in Windows 2000
899619  (http://kbalertz.com/Feedback.aspx?kbNumber=899619/ ) Installation of .NET Framework service packs is not completed if you first install security update MS05-004
903776  (http://kbalertz.com/Feedback.aspx?kbNumber=903776/ ) Office updates are not successfully installed if you deploy updates by using Windows Server Update Services or the Microsoft Update Web site after the path of the local installation source changes

APPLIES TO
  • Microsoft Update, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Media Center Edition 2005 Update Rollup 2
    • Microsoft Windows XP Professional
    • Microsoft Windows XP Tablet PC Edition
    • Microsoft Windows 2000 Advanced Server
    • Microsoft Windows 2000 Professional Edition
    • Microsoft Windows 2000 Server
    • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
    • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
    • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
    • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
    • Microsoft Windows Server 2003, Web Edition
Keywords: 
kbresolve kbwindowsupdatev6 kbtshoot kbwindowsupdate kbcip KB906602
       

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