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You receive the "A recently installed program may cause Microsoft Office or other e-mail-enabled programs to function improperly" error message when you start Outlook

Support for Office 2003 has ended

Microsoft ended support for Office 2003 on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

SYMPTOMS
When you start Microsoft Outlook, you may receive the following error message:
A recently installed program may cause Microsoft Office or other e-mail-enabled programs to function improperly. Outlook can resolve this conflict without affecting the program that originally caused the problem. Do you want Outlook to resolve this problem?
CAUSE
This problem occurs if there is a file conflict with the MAPI core files on your computer. The file that is in conflict is the Mapi32.dll file. The Mapi32.dll file is in the following location in Microsoft Windows XP, Microsoft Windows Server 2003, and Microsoft Windows 2000:
C:\Windows\System32
RESOLUTION
To resolve this problem, click Yes or click No in the error message that is mentioned in the "Symptoms" section of this article.

Scenario 1

If you click Yes in the error message, the Fixmapi.exe utility starts and tries to fix the file conflict with the MAPI core files by installing the correct version.

If a currently running program is using the Mapi32.dll file, the Fixmapi.exe utility may not fix the file conflict. In this case, you receive the following error message:
Outlook was unable to resolve the conflict between a recently installed program and Microsoft Office or other e-mail-enabled programs. Outlook needs to modify a system component that another program is currently using. To fix this problem, please restart Windows.
If you click OK in this error message, Microsoft Windows does not restart. However, an entry for the Fixmapi.exe utility is placed in the
RunOnce
registry key. The next time that you start Windows, the Fixmapi.exe utility tries to correct the Mapi32.dll file conflict.

Scenario 2

If you click No in the error message that is mentioned in the "Symptoms" section of this article, a change is not made to the MAPI core files. Because Outlook uses the Mapi32.dll file in the C:\Program Files\Common Files\SYSTEM\MSMapi\1033 folder, clicking No does not affect the operation of the program.
WORKAROUND
If the Fixmapi.exe utility does not work, follow these steps:
  1. Quit all programs.
  2. Rename the Mapi32.dll file in the C:\Windows\System32 folder to "Mapi32.old" (without quotation marks).
  3. Locate the Fixmapi.exe file in the C:\Windows\System32 folder, and then double-click Fixmapi.exe to run the program.
  4. Restart your computer.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
The Microsoft Windows Messaging Subsystem (WMS) installs the MAPI core files in the C:\Windows\System32 folder. Versions of Outlook that are earlier than Microsoft Office Outlook 2003 access the MAPI core files from that location. In Outlook 2003 and in later versions of Outlook, the key MAPI core files are stored in a common location.

Simple MAPI programs, such as Microsoft Outlook Express, Qualcomm Eudora, Netscape, and other third-party programs, install and access the Mapi32.dll file from the following location:
C:\Windows\System32
You can click Send To on the File menu to send documents in the programs that support simple MAPI programs.

Note This problem may affect the Microsoft Exchange System Manager, even if the Microsoft Exchange server is not on the same computer as the Exchange System Manager. The Exchange System Manager does not work if you select to replace the MAPI core files with the Outlook MAPI files after you run the Fixmapi.exe utility. Additionally, if you select not to replace the MAPI core files with the Outlook MAPI files, Outlook may not work as expected. You will receive the error message that is listed in the "Symptoms" section of this article each time that you start Outlook until you replace the MAPI core files with the Outlook MAPI files.

We recommend that you do not have Microsoft Outlook 2002 or an earlier version of Outlook on the same computer as the Exchange System Manager or the Exchange server. If you are using Outlook 2002 or an earlier version of Outlook, use Microsoft Outlook Web Access or a Terminal Server session to access e-mail messages to avoid this problem.
RESOLUTION
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
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Article ID: 820865 - Last Review: 01/12/2007 01:20:43 - Revision: 4.2

Microsoft Office Outlook 2007, Microsoft Office Outlook 2007 with Business Contact Manager, Microsoft Office Outlook 2003, Microsoft Office Outlook 2003 with Business Contact Manager

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