Article ID: 302089 - View products that this article applies to.
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This article describes how to prevent Windows Messenger from running. By default, Windows XP Professional and Windows XP Home Edition install Windows Messenger. The user interface does not let you remove or uninstall Windows Messenger.
When you install Windows XP Service Pack 1 (SP1), Windows adds a new feature that is named "Set Program Access and Defaults" to the Add or Remove Programs tool in Control Panel. You can use this feature to remove Windows Messenger from the Start menu, from the desktop, or from other locations. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/332003/ )How to change your default programs and to enable or remove access to Microsoft Windows and non-Microsoft programs
To prevent Windows Messenger from running, use the method appropriate for your version of Windows Messenger and your version of Windows.
Use the Group Policy (gpedit.msc) snap-in to turn on the Do not allow Windows Messenger to be run option.
To turn on the Do not allow Windows Messenger to be run option, follow these steps:
Change the preferences in Windows Messenger. To do this, follow these steps.
Windows Messenger 4.5 or later versions on a Windows XP Home Edition-based computer or on a Windows XP Professional-based computer
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
Note This method prevents programs that use the Messenger APIs from using Windows Messenger. Outlook 2002, Outlook Express 6, and the Remote Assistance feature in Windows XP are examples of programs that use these APIs and that depend on Windows Messenger.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
Article ID: 302089 - Last Review: July 2, 2010 - Revision: 9.0