MS10-056: Description of the security update for the 2007 Office system and for the Compatibility Pack for the 2007 Office system: August 10, 2010

How to obtain help and support for this security update

Help installing updates:
Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help protect your computer that is running Windows from viruses and malware:
Virus Solution and Security Center

Local support according to your country:
International Support

Known issues

After you install this update on a computer that is running Microsoft Office 2003 and the Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats, you may receive an error message that resembles the following when you try to when open a file that was saved by using Information Rights Management (IRM):

To resolve this problem, install hotfix 983309. For more information, visit the following Microsoft Web page:

983309 Description of the Office Excel 2007 hotfix package (Mso-x-none.msp): June 29, 2010

Prerequisites to apply this security update

There are no prerequisites for installing this security update.

Restart information

You may have to restart the computer after you apply this security update.

Security update replacement information

This security update replaces the following security update:

969613 MS09-027: Description of the security update for the 2007 Office system and for the Compatibility Pack for the 2007 Office system: June 9, 2009

Removal information

To remove this security update, use the Add or Remove Programs item or use the Programs and Features item in Control Panel.

Note When you remove this security update, you may be prompted to insert the disc that contains 2007 Microsoft Office in the CD drive. Additionally, you may not have the option to uninstall this security update from the Add or Remove Programs item or the Programs and Features item in Control Panel. There are several possible causes for this issue.

For more information about the removal, click the following article number to view the article in the Microsoft Knowledge Base:

903771 Information about the ability to uninstall Office updates

File information

The English (United States) version of this security 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.