- Home users:
- IT professionals:
How to obtain help and support for this security updateHelp 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
PrerequisitesTo install this update, you must have Windows Installer 2.0 or a later version installed on the computer. To obtain the latest version of Windows Installer, click the following article number to view the article in the Microsoft Knowledge Base:
Command-line switches for this updateFor information about the various command-line switches that are supported by this update, click the following article number to view the article in the Microsoft Knowledge Base:
Restart informationYou 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. If this behavior occurs, a message is displayed that advises you to restart the computer.
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.
See Why you may be prompted to restart your computer after you install a security update on a Windows-based computer for more information.
Removal informationNote We do not recommend that you remove any security update.
To remove this update, use the Add or Remove Programs item in Control Panel.
Article ID: 2856545 - Last Review: Jul 11, 2013 - Revision: 1