Microsoft KB Archive/185362

= OL98: (CW) Page Fault Errors Resulting from Winsock Update =

Article ID: 185362

Article Last Modified on 8/9/2004

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APPLIES TO


 * Microsoft Outlook 98 Standard Edition

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This article was previously published under Q185362



NOTE: The procedures in this article only apply if you have installed Outlook with the Corporate or Workgroup option. With this option, you can use Messaging Application Programming Interface (MAPI) services. To determine your installation type, click About Microsoft Outlook on the Help menu. If you have the Corporate or Workgroup installation, you see "Corporate or Workgroup".



SYMPTOMS
In Microsoft Outlook 98, when you attempt to send or receive an e-mail message, you may receive the following error:

MAPISP32 caused an invalid page fault in module INETCOMM.DLL at 0157:5e.

In some cases the page fault may occur in module Kernel32.dll and the address given may be different.



CAUSE
This error message may occur if you install the Windows Sockets (Winsock) 2 Update, but do not update Transmission Control Protocol/Internet Protocol (TCP/IP) using the Vipup20.exe and Vtcpup20.exe files.



RESOLUTION
To resolve this behavior, download the Vipup20.exe and Vtcpup20.exe files from the Microsoft Download Center.

The following files are available for download from the Microsoft Download Center:

Download Vipup20.exe now

Download Vtcpup20.exe now

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

To work around this behavior, revert to Winsock 1.1 by uninstalling the Winsock 2 Update. To do this, double-click the Ws2bakup.bat file located in the following folder:



Where is the drive letter where the Windows folder is located, and is the name of the folder in which Windows is installed.

