Error message when you connect to the Windows Update Web site from a Windows XP-based computer: "0X800B0109"

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Article ID: 916260 - View products that this article applies to.
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SYMPTOMS

When you connect to the Microsoft Windows Update Web site from a Microsoft Windows XP-based computer, you may receive one of the following error messages:
Digital Signatures are missing.
Page Cannot be Displayed.
The Page Requested Cannot be Displayed.
Additionally, the %systemroot%\WindowsUpdate.log file may contain the following error message:
0x800B0109

CAUSE

This problem occurs if Vx2 ZServ malware is running on the computer.

RESOLUTION

To resolve this problem, follow these steps:
  1. Export certificates from a computer that is not experiencing this problem. To do this, follow these steps:
    1. Start Microsoft Internet Explorer.
    2. On the Tools menu, click Internet Options.
    3. Click the Content tab, and then click Certificates.
    4. Click the Trusted Root Certification Authorities tab.
    5. Select all the certificates in the store. To do this, click the first certificate in the store, and then hold down the SHIFT key as you scroll down the list to the last certificate in the store.
    6. Click Export, and then click Next to start the Certificate Export Wizard.
    7. Click Browse to select a location to save the file, and then click Next.

      Note Save the file in the default .p7b format. Use a naming convention that represents the store.
    8. Click Finish, and then click OK when the export is successful.
    9. Repeat steps 1d through 1h for the Intermediate Certification Authorities store.
  2. Move the .p7b file that you saved in step 1 to the computer that is experiencing the problem.
  3. Import the certificates to the computer that is experiencing the problem. To do this, follow these steps:
    1. Start Internet Explorer.
    2. On the Tools menu, click Internet Options.
    3. Click the Content tab, and then click Certificates.
    4. Click Import, and then click Next to start the Certificate Import Wizard.
    5. Click Browse to select the location of the file that you saved in step 1, and then click Next
    6. Click Browse, click Trusted Root Certification Authorities, click OK, and then click Next.
    7. Click Finish, and then click OK after the import succeeds.
    8. Repeat steps 3d through 3g for the Intermediate Certification Authorities store.
  4. Download and then install Microsoft Windows Defender to remove the Vx2 ZServ malware. To do this, visit the following Microsoft Web site:
    http://www.microsoft.com/athome/security/spyware/software/default.mspx
  5. Reregister the Initpki.dll file. To do this, follow these steps:
    1. Click Start, click Run, type cmd, and then click OK.
    2. Type regsvr32 Initpki.dll, press ENTER, and then click OK after the command succeeds.
  6. Determine whether the problem is resolved. If the problem is still not resolved, go to step 7.
  7. Click Start, click Run, type cmd, and then click OK.
  8. Type the following commands, and then press ENTER after each command. Click OK after each command succeeds.
    • regsvr32 Softpub.dll
    • regsvr32 Wintrust.dll
    • regsvr32 Dssenh.dll
    • regsvr32 Rsaenh.dll
    • regsvr32 Gpkcsp.dll
    • regsvr32 Sccbase.dll
    • regsvr32 Slbcsp.dll
    • regsvr32 Cryptdlg.dll

Properties

Article ID: 916260 - Last Review: September 27, 2011 - Revision: 3.0
APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • Windows Defender
  • Microsoft Update
Keywords: 
kbdefenderrtwyes kbdefenderrtwswept kbwinupdwebsite kbtshoot kberrmsg kbprb KB916260

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