In Microsoft Outlook, when you attempt to send or receive an e-mail message, you may receive the following error message: NOTE: In some cases the page fault has been observed to occur in Module Kernel32.dll.

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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.

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NOTE: If you have not already installed the Winsock 2 upgrade (Wsockupg.exe), do so before you continue with the following steps. To resolve this behavior, run 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: 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 that is located in the following folder: Where <Drive> is the drive letter on which the Windows folder is located, and <Windows> is the name of the folder in which Windows is installed.

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If you install the Winsock 2 Update but do not update TCP/IP, the Inetcomm.dll file is not updated to a version that is compatible with the Winsock 2 Update. When you install the Vipup20.exe and Vtcpup20.exe files, the Inetcomm.dll file is properly updated.

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

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