OL98: (CW) Page Fault Errors Resulting from Winsock Update (185362)



The information in this article applies to:

  • Microsoft Outlook 98

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:
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:

<drive>:\<windows>\ws2bakup

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

REFERENCES

For information about how to obtain the Vipup20.exe and Vtcpup20.exe files from the Microsoft Download Center, please see the following article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

For information on similar errors, please see the following article in the Microsoft Knowledge Base:

174095 IGMP Query Times Out in Windows 95 with Winsock2 Update


Modification Type:MinorLast Reviewed:8/9/2004
Keywords:kbdownload kbgraphxlinkcritical kbprb KB185362