- Home users:
Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
- 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 Windows-based computer from viruses and malware: Virus Solution and Security Center
Local support according to your country: International Support
Known issues with this update
- Customers may have been repeatedly offered this update even though it was already installed.
Note This issue is resolved by a detection change released September 13, 2013. This change did not affect the updated files. This change only affects the way that we offer the updates to customers. Customers who have successfully installed the update do not have to take any action.
More information about this security update
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.