Description of the 2007 Office system hotfix package (mso.msp): February 24, 2009

This article has been archived. It is offered "as is" and will no longer be updated.
This article describes the 2007 Microsoft Office system issue that is fixed in the hotfix package that is dated February 24, 2009.

Issues that this hotfix package fixes

When you set the reading pane to be at the bottom of Microsoft Office Outlook 2007 on a Windows Vista-based computer, Outlook 2007 may crash when you drag a file over the navigation pane, the message list, or the reading pane.

Additionally, when Outlook 2007 crashes, an error that has one of the following Bucket IDs may be logged in the Application log:
  • Bucket ID 856876515
  • Bucket ID 883043027
  • Bucket ID 882334035
  • Bucket ID 882332047
This hotfix also fixes the following issue:
967732 The "Invalid signature" indication appears when you try to open a Word document or an Excel workbook
More information

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


There are no prerequisites for installing this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

Registry information

To use one of the hotfixes in this package, you do not have to make any changes to the registry.

File information

This hotfix may not contain all the files that you must have to fully update a product to the latest build. This hotfix contains only the files that you must have to correct the issue that is listed in this article.

The global version of this hotfix package uses a Microsoft Windows Installer package to install the hotfix package. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date 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.

Download information
File nameFile versionFile sizeDateTimePlatform

Microsoft Windows Installer .msp file information
File nameFile versionFile sizeDateTimePlatform
Mso.mspNot Applicable22,109,18414-Feb-200923:37Not Applicable

Hotfix package information
File nameFile versionFile sizeDateTimePlatform
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 962217 - Last Review: 01/16/2015 16:32:49 - Revision: 1.0

  • Microsoft Office Basic 2007
  • Microsoft Office Enterprise 2007
  • Microsoft Office Home and Student 2007
  • Microsoft Office Professional 2007
  • Microsoft Office Professional Plus 2007
  • Microsoft Office Small Business 2007
  • Microsoft Office Standard 2007
  • Microsoft Office Ultimate 2007
  • kbnosurvey kbarchive kbsurveynew kbexpertiseinter kbqfe kbhotfixrollup kbautohotfix kbhotfixserver KB962217