This security update applies to Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1.
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
More information about this security update
Installation informationBefore you apply this update, make sure that you resolve any view-state message authentication code (MAC) errors that you may have. For information about how to do this, see Resolving view state message authentication code (MAC) errors in the Microsoft Knowledge Base.
Restart informationThis update does not require a system restart after you apply it unless files that are being updated are locked or are being used.
Update replacement informationThis update does not replace any previously released update.
Update removal informationNote We do not recommend that you remove any security update.
To remove this update, use the Programs and Features item in Control Panel.