Microsoft KB Archive/183276

= OLEXP: How to Manually Uninstall Outlook Express =

PSS ID Number: 183276

Article Last Modified on 10/25/2002

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The information in this article applies to:


 * Microsoft Outlook Express 4.0 for Windows 95
 * Microsoft Outlook Express 4.01 for Windows 95
 * Microsoft Outlook Express 5.0 for Windows 95
 * Microsoft Outlook Express 5.01 for Windows 95
 * Microsoft Outlook Express 5.5 for Windows 95
 * Microsoft Outlook Express 4.0 for Windows NT 4.0
 * Microsoft Outlook Express 4.01 for Windows NT 4.0
 * Microsoft Outlook Express 5.0 for Windows NT 4.0
 * Microsoft Outlook Express 5.01 for Windows NT 4.0
 * Microsoft Outlook Express 5.5 for Windows NT 4.0
 * Microsoft Outlook Express 6.0 for Windows NT 4.0
 * the operating system: Microsoft Windows 98

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This article was previously published under Q183276



IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SUMMARY
This article describes how to manually uninstall Outlook Express 4.0 and 4.01 (in the event that you are unable to uninstall Outlook Express with the Add/Remove Programs tool in Control Panel so that you can reinstall Outlook Express).

NOTE: Do not follow the steps in this article unless you have first tried to uninstall Outlook Express by using the steps described in the following Microsoft Knowledge Base article:

171229 How to Add and Remove Internet Explorer Components



MORE INFORMATION
The procedures in this article do not work if you are using Outlook Express 5.0 with Windows 98 or Windows 98 Second Edition.

For additional information about manually uninstalling Outlook Express 5 on Windows 98, click the article number below to view the article in the Microsoft Knowledge Base:

256219 OLEXP: How to Manually Uninstall and Reinstall Outlook Express 5

To manually uninstall Outlook Express, follow these steps:  On the Start menu, point to Programs, and then click Windows Explorer or Windows NT Explorer. Locate the Outlook Express folder in the C:\Program Files folder. Delete the files that are located in the :\Program Files\Outlook Express folder.

WARNING: Do not delete the actual Outlook Express folder. By doing so you may cause Outlook Express to install to the \Program Files\Outloo~1 folder. Outlook Express may not function if it installs to the Outloo~1 folder, and renaming Outloo~1 to Outlook Express may not work. Locate the Stationery folder in the C:\Program Files\Common Files\Microsoft Shared folder. Rename the Stationery folder to Old Stationery. Locate the Outlook Express folder. If you are running Windows 95, the Outlook Express folder is located in the C:\Windows\Application Data\Microsoft folder. If you are running Windows NT 4.0, the Outlook Express folder is located in the %SystemRoot%\Profiles\ \Application Data\Microsoft folder,where  is the name you use to log on to Windows NT 4.0.</li> Rename the Outlook Express folder to old_outlook.

The Quick Launch area of the taskbar contains a shortcut to Outlook Express that may still exist after you remove Outlook Express. To remove this shortcut, right-click the Outlook Express icon in the Quick Launch bar, and then click Delete.</li> Rename the Windows Address Book (WAB) files. If you are running Windows NT 4.0, the WAB files are located in the %SystemRoot%\Profiles\ \Application Data\Microsoft\Address Book folder.

The WAB files have a .wab extension. To rename a WAB file, right-click the .wab file, click Rename, rename the file to  .xxx, and then press ENTER. Rename all .wab files in this folder.WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

</li>  Using Registry Editor, remove the appropriate registry key for Outlook Express.

Windows 95
HKEY_LOCAL_MACHINE\Software\Microsoft\Outlook Express

HKEY_LOCAL_MACHINE\Software\Microsoft\WAB

HKEY_CURRENT_USER\Software\Microsoft\Outlook Express

HKEY_CURRENT_USER\Software\Microsoft\WAB

HKEY_CURRENT_USER\Identities (Outlook Express 5 only)

HKEY_CURRENT_USER\Software\Microsoft\Active Setup\InstalledComponents\{44BBA840-CC51-11CF-AAFA-00AA00B6015C}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{7790769C-0471-11d2-AF11-00C04FA35D02} (default value is &quot;Address Book5&quot;)

HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\InstalledComponents\{44BBA840-CC51-11CF-AAFA-00AA00B6015C}

Windows 95 With User Profiles
HKEY_USERS\ \Software\Microsoft\Outlook Express

HKEY_USERS\ \Identities (Outlook Express 5 only)

Windows NT
HKEY_CURRENT_USER\Software\Microsoft\Outlook Express

</li></ol>

NOTE: You can also use the steps in this article to repair Outlook Express 5 functionality if uninstalling Office 2000 breaks Outlook Express.

Outlook Express 5 Specific
Rename the following files:


 * Inetcomm.dll
 * Msoeacct.dll
 * Msoert2.dll

For additional information about additional problems that could be resolved if the files were renamed before the reinstall, click the article number below to view the article in the Microsoft Knowledge Base:

220610 Outlook Express 4 May Not Run After Internet Explorer 5 Removed

Additional query words: oe 4.00 stationary manual oe4faq inetcomm.dll msoeacct.dll msoert2.dll

Keywords: kbhowto KB183276

Technology: kbOSWin98 kbOSWinSearch kbOutlookExpress400NT400 kbOutlookExpress400Win95 kbOutlookExpress401NT400 kbOutlookExpress401Win95 kbOutlookExpress500NT400 kbOutlookExpress500Win95 kbOutlookExpress501NT400 kbOutlookExpress501Win95 kbOutlookExpress550NT400 kbOutlookExpress550Win95 kbOutlookExpress600NT400 kbOutlookExpress95Search kbOutlookExpressNT400Search kbOutlookExpressSearch

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