Explorer Caused an Invalid Page Fault in Comctl32.dll

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Article ID: 173996 - View products that this article applies to.
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When you attempt to connect to MSN, The Microsoft Network, or start Microsoft Internet Explorer, you may receive the following error message:
Explorer caused an invalid page fault in module Comctl32.dll.


The Windows Address Book file may be damaged.

This error can also occur if a program called W3XNetwork is loading in the background.


To resolve this issue by deleting and rebuilding the WAB file (try this solution first)
  1. Click Start, select Find, and then click Files Or Folders.
  2. In the Named box, type "*.wab" (without quotation marks), and then click Find Now.
  3. In the list of found files, right-click the following file
    <MSN Member ID>.wab
    and then click Delete.
  4. Close the Find: Files named *.wab dialog box.
  5. Restart the computer.
  6. Connect to MSN, and then start the MSN E-mail service.
  7. On the Tools menu, click Address Book to re-create the Windows Address Book file.

Note: If the above steps resolve your problem (you no longer get the error message) DO NOT go on to the steps below.

To resolve this issue by removing W3XNetwork from the registry

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
  1. Start Registry Editor (Regedt32.exe).
  2. Select the W3xNetwork value under the following key in the registry:
  3. On the Edit menu, click Delet, and then click OK.
  4. Quit Registry Editor and restart your computer.


Article ID: 173996 - Last Review: May 9, 2003 - Revision: 1.0
  • MSN 2.5 Software
kbenv kberrmsg kbprb KB173996

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