FIX: Add-ins that are created by using Visual Studio 2005 Tools for the Microsoft Office System Second Edition do not run in Office 2003 Professional on a Windows Vista-based computer

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Article ID: 937652 - View products that this article applies to.
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On a Windows Vista-based computer, add-ins that are created by using Microsoft Visual Studio 2005 Tools for the Microsoft Office System Second Edition (VSTO 2005 SE) do not run in Microsoft Office 2003 Professional. This problem occurs when you try to debug one of these add-ins in Visual Studio 2005.


Update information

A supported update is now available from Microsoft. This update improves Windows Vista support to VSTO 2005 SE. This support enables you to run and to debug add-ins for Microsoft Office 2003 Professional by using VSTO 2005 SE in Windows Vista. The following file is available for download from the Microsoft Download Center:

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Download the VS80-KB937652-X86.exe package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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 prevent any unauthorized changes to the file.


  • Visual Studio 2005 Service Pack 1
  • Visual Studio 2005 Service Pack 1 Update for Windows Vista

Restart requirement

You do not have to restart the computer after you install this update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
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File nameFile versionFile sizeDateTimePlatform,86413-Jun-200702:59x86


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Steps to reproduce the problem

  1. On a Windows Vista-based computer that has VSTO 2005 SE and Office 2003 Professional installed, right-click the shortcut for Visual Studio 2005, and then click Run as Administrator.
  2. Create an add-in for a Microsoft Office application that is supported by VSTO 2005 SE. For example, follow these steps to create an add-in for Microsoft Office Word 2003:
    1. On the File menu, point to New, and then click Project.
    2. In the New Project dialog box, expand Visual C# or Visual Basic, expand Office, and then click 2003 Add-ins.
    3. Click Word Add-in, type a name in the Name box, and then click OK.
  3. Press F5 to debug the add-in.
Notice that the add-in does not run.


For more information about how to run Visual Studio 2005 in Windows Vista, visit the following Microsoft Developer Network (MSDN) Web site:


Article ID: 937652 - Last Review: October 8, 2011 - Revision: 3.0
  • Microsoft Visual Studio 2005 Tools for the Microsoft Office System
kbexpertiseinter atdownload kbqfe KB937652

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