Microsoft KB Archive/836987

= You cannot gain access to the Windows Update Web site =

PSS ID Number: 836987

Article Last Modified on 4/1/2004

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The information in this article applies to:

 Microsoft Windows Update, when used with:  Microsoft Windows XP Home Edition

 Microsoft Windows XP Professional

 Microsoft Windows 2000 Advanced Server

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

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

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

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

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SYMPTOMS
You cannot gain access to the Windows Update Web site. The Windows Update.log file may contain the following error messages:

Error IUCTL Digital Signatures on file C:\Program Files\WindowsUpdate\V4\iuident.cab are not trusted (Error 0x800B0003: The form specified for the subject is not one supported or known by the specified trust provider.)

Error IUCTL Digital Signatures on file C:\Program Files\WindowsUpdate\V4\iuident.cab are not trusted (Error 0x800B0004: The subject is not trusted for the specified action.)

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CAUSE
This error may occur if your computer cannot connect to a component of the Windows Update site.

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RESOLUTION
To resolve this issue, use one or more of the following methods, in the order that they are presented:

Method 1: Update Microsoft Internet Explorer
Verify that you are using the current version of Internet Explorer. At the time of this writing, the current version is Internet Explorer 6 Service Pack 1. For more information about how to install the current version of Internet Explorer, visit the following Microsoft Web site: http://www.microsoft.com/windows/ie/downloads/default.asp If you are still unable to gain access to the Windows Update Web site, use the following method:

Method 2: Check the proxy server settings
If you are using a proxy server, ask your network administrator to make sure that the proxy server is set to allow anonymous connections to the Internet. Also, enable the Use HTTP 1.1 through Proxy Connections setting. To do this, follow these steps:
 * 1) Start Internet Explorer.
 * 2) On the Tools menu, click Internet Options.
 * 3) Click the Advanced tab, and then select the Use HTTP 1.1 through proxy connections check box.
 * 4) Click OK.

If you are still unable to gain access to the Windows Update Web site, use the following method:

Method 3: Register the DLL files
To register the DLL files, follow these steps:
 * 1) Click Start, click Run, type regsvr32 softpub.dll in the Open box, and then click OK. When you receive the message that the DllRegisterServer succeeded, click OK.
 * 2) Click Start, click Run, type regsvr32 softpub.dll in the Open box, and then click OK. When you receive the message that the DllRegisterServer succeeded, click OK.
 * 3) Click Start, click Run, type regsvr32 initpki.dll in the Open box, and then click OK. When you receive the message that the DllRegisterServer succeeded, click OK.
 * 4) Click Start, click Run, type regsvr32 mssip32.dll in the Open box, and then click OK. When you receive the message that the DllRegisterServer succeeded, click OK.

If you are still unable to gain access to the Windows Update Web site, use the following method:

Method 4: Check the Hosts file
The Hosts file is a text file that you can edit with any text editor (such as Notepad). The Hosts file is used for host name resolution. Verify that the Hosts file does not contain an incorrect entry or a static IP entry for the Windows Update Web site. Depending on your operating system, the Hosts file (or the Hosts.sam file) may be found in the following locations:
 * In Microsoft Windows Millennium Edition (Me), in Microsoft Windows 98, or in Microsoft Windows 95, the Hosts file is in the C:\Windows\ folder.
 * In Microsoft Windows XP, Microsoft Windows 2000, or in Microsoft Windows NT 4.0, the Hosts file is in the C:\WINDOWS\system32\drivers\etc\ folder.

To open the file using Notepad, start Notepad, and then use a drag-and-drop operation to drag and drop the Hosts file (or Hosts.sam file) into the open Notepad document.

&quot;Web accelerator&quot; programs, including TweakMasterDNS, sometimes add static IP entries for the Windows Update site into your Hosts file. When this occurs, you may receive the error message listed in the Symptoms section of this article.

If there is a Hosts (or Hosts.sam) file on your system that has an entry for the Windows Update site, delete the entry.

Keywords: kberrmsg kbprb KB836987

Technology: kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000Pro kbwin2000ProSearch kbwin2000Search kbwin2000Serv kbwin2000ServSearch kbWin98SE kbWin98SEsearch kbWinAdvServSearch kbWinME kbWinMEsearch kbWinUpdate kbWinUpdateSearch kbWinXPHome kbWinXPHomeSearch kbWinXPPro kbWinXPProSearch kbWinXPSearch

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