MS12-034: Description of the security update for the .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1: May 8, 2012

Download information

This update is available for download from the Microsoft Download Center:

Command-line switches for this update

For 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 information

This update does not require a system restart after you apply it unless files being updated are locked or in use.

Update replacement information

This update does not replace any previously released update.

Update removal information

To remove this update, use the Programs and Features item in Control Panel.

File information

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

For all supported x86-based versions of systems

GDR Service Branch



LDR Service Branch

For all supported x64-based versions of systems

GDR Service Branch



LDR Service Branch