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 based on your region and country: International support
Known issues with this security update
- After you install this security update on a system that is running Windows Communication Foundation (WCF) and Microsoft .NET Framework 4.0, and that is hosted on an Internet Information Services (IIS) web server, you may receive an error message that resembles the following: System.NotSupportedException: The SSL settings for the service 'None' does not match those of the IIS 'Ssl, SslNegotiateCert, SslRequireCert'.
For more information about how to resolve this issue, click the following article number to view the article in the Microsoft Knowledge Base:2740200
WCF services fail with NotSupportedException or ServiceActivationException after applying updates for .NET Framework 4
Download informationThis update is available for download from the Microsoft Download Center:
PrerequisitesTo install this update, you must have Windows Installer 3.1 or a later version installed on the computer. To obtain the latest version of Windows Installer, go to the following Microsoft website:
Command-line switches for this updateFor information about the various command-line switches that are supported by this update, go to the following Microsoft Developer Network (MSDN) website:
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 replaces the following updates:
2656368 MS12-025: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: April 10, 2012
2633870 MS12-016: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: February 14, 2012
2160841 MS10-077: Vulnerability in the .NET Framework could allow remote code execution
Update removal informationNote We do not recommend that you remove any security update.
To remove this update, use the Add or Remove Programs item or the Programs and Features item in Control Panel.