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This article summarizes issues that are related to installing the Microsoft Outlook E-mail Security Update. For more information about other types of issues when you apply the Outlook E-mail Security Update, see the "References" section.
The topics in this article are divided into two sections. The first section discusses issues that affect a single computer when you install the Outlook E-mail Security Update; the second section discusses issues that typically involve deployment scenarios and other issues that may be of interest to administrators.
Issues That Affect Single Computers
How to Remove the Outlook 98 E-mail Security Update after You Upgrade to Outlook 2000If you install the Microsoft Outlook 98 E-mail Security Update on a computer that is running Microsoft Outlook 98, upgrade to Microsoft Outlook 2000, and then use the Add/Remove Programs tool to remove the Outlook 98 E-mail Security Update, you cannot start Outlook 2000 and you receive the following error message:
This problem is not resolved if you restart your computer. To avoid this problem, you must remove the Outlook 98 E-mail Security Update before you upgrade to Outlook 2000. To fix the problem if you have already upgraded to Outlook 2000, run the Detect and Repair tool for the Outlook 2000 installation.
Cannot start Microsoft Outlook. Cannot initialize Microsoft Office shared utilities. Restart your computer.
Updating Outlook 98 and Then Upgrading to Outlook 2000If you apply the security update to Outlook 98, and you then upgrade to Outlook 2000 or Outlook 2000 SR-1, the 2000 version of the security update is not automatically applied. You must manually apply the Outlook E-mail Security Update to Outlook 2000.
Issues That Affect Administrators and Deployment Scenarios
Multiple Users Are Not UpdatedIf you have a computer that is configured with multiple Windows profiles and you apply the security update to only one user, the security update is not applied when other users log on to the computer. To work around this limitation, you must run Setup again for each user.
For additional information about the Outlook E-mail Security Update, click the article numbers below to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/262617/EN-US/ )OL98: Information About the Outlook E-mail Security Update
(http://support.microsoft.com/kb/262700/EN-US/ )OL98: Developer Information About the Outlook E-mail Security Update
(http://support.microsoft.com/kb/263296/EN-US/ )OL98: Administrator Information About the Outlook E-mail Security Update
(http://support.microsoft.com/kb/262618/EN-US/ )OL98: Known Issues with the Outlook E-mail Security Update
(http://support.microsoft.com/kb/264566/EN-US/ )OL98: Known Setup Issues with the Outlook E-mail Security Update
(http://support.microsoft.com/kb/264127/EN-US/ )OL98: Known Interoperability Issues with the Outlook E-mail Security Update
(http://support.microsoft.com/kb/264129/EN-US/ )OL98: Known Third-Party Issues with the Outlook E-mail Security Update
Article ID: 264566 - Last Review: October 20, 2013 - Revision: 1.0