Microsoft KB Archive/836961

= You receive an &quot;Initialization error 0x800A1391&quot; error message and the Windows Update Web site does not appear =

Article ID: 836961

Article Last Modified on 1/4/2008

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APPLIES TO

 Microsoft Windows Update, when used with:  Microsoft Windows XP Professional

 Microsoft Windows XP Home Edition

 Microsoft Windows 2000 Advanced Server

 Microsoft Windows 2000 Server</li></ul>

 Microsoft Windows 2000 Professional Edition</li></ul>

 Microsoft Windows Millennium Edition</li></ul>

 Microsoft Windows 98 Second Edition</li></ul>

 Microsoft Windows 98 Standard Edition</li></ul> </li></ul>

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<div class="notice_section">

<div class="symptoms_section">

SYMPTOMS
When you try to access the Microsoft Windows Update Web site, the Web site may not appear, and you may receive the following error message:

Initialization error 0x800A1391

<div class="cause_section">

CAUSE
This issue may occur if you cannot download the ActiveX component of the Windows Update Web site.

<div class="resolution_section">

Method 1:
If you have Zone Alarm installed, disable the Zone Alarm firewall, and then visit the Windows Update Web site to install updates. To disable Zone Alarm, right-click the Zone Alarm icon in the notification area, and then click Shutdown Zone Alarm.

Method 2:
If you have the Norton Internet Security firewall set to High: Block ActiveX Controls, reduce the security setting to Medium: Prompt me each time. This setting will allow the user to accept the Active X control.

Method 3:
If you have verified that your firewall is not causing the error, try adding the following sites to the Microsoft Internet Explorer Trusted sites zone on the computer where you are using the Windows Update Web site to install updates. To add the Windows Update Web sites to the Trusted sites zone in Internet Explorer, follow these steps: <ol> Open Internet Explorer.</li> Click Tools, and then click Internet Options.</li> On the Security tab, click Trusted Sites.</li> Click Sites.</li> Click to clear the Require server verification (https:) for all sites in this zone check box.</li> In the Add this Web site to the zone area, type the following Web sites, and then click Add:

http://*.microsoft.com

https://*.microsoft.com

http://Windowsupdate.microsoft.com

http://v4.Windowsupdate.microsoft.com

https://v4.Windowsupdate.microsoft.com

http://v5.windowsupdate.microsoft.com

https://v5.windowsupdate.microsoft.com

http://Download.Windowsupdate.com

</li> Click OK two times.</li></ol>

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Keywords: kbdownload kbwindowsupdate kberrmsg kbprb KB836961

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