MS15-046: Description of the security update for Microsoft Office 2010 Service Pack 2 (Oart.dll): May 12, 2015

Prerequisites to install this security update

To install this security update, you must have Microsoft Office 2010 Service Pack 2 (SP2) installed on the computer.

For more information about how to obtain these service packs, click the following article numbers to view the articles in the Microsoft Knowledge Base:

Restart information

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

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. In this case, a message is displayed that advises you to restart.

To help reduce the possibility that a restart will be required, stop all affected services and close all applications that may use the affected files before you install this security update. For more information about why you may be prompted to restart the computer, see the following Microsoft Knowledge Base article: 

887012 Why you may be prompted to restart your computer after you install a security update on a Windows-based computer

Security update replacement information

This security update replaces security update 2883100.

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 Office 2010. 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 of this issue.

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