An update is available for Microsoft .NET Framework 3.5 Service Pack 1 on Windows 7 and Windows Server 2008 R2

This article describes an update that consists of Shared Components for Microsoft .NET Framework on Windows 7 and on Windows Server 2008 R2. This update addresses a set of issues of the Microsoft .NET Framework 3.5 Service Pack 1 (SP1).

For more information about .NET Framework, visit the following Microsoft website:

The following files are available for download from the Microsoft Download Center:

DownloadDownload the x86 version of the package now.

DownloadDownload the x64 version of the package now.

DownloadDownload the IA-64 version of the package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.


There are no prerequisites for installing this update.

Restart requirement

You may have to restart the computer if the affected files are being used or are locked. To reduce the probability of a restart, you should close all applications before you install the update.

Update Removal Information

To remove this update, use the Add or Remove Programs item in Control Panel.

Update replacement information

This update does not replace any other updates.

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
For x86-based versions of Windows 7
File nameFile versionFile sizeDateTime
For x64-based versions of Windows 7 and Windows Server 2008 R2

File nameFile versionFile sizeDateTime

For Itanium-based version of Windows Server 2008 R2
File nameFile versionFile sizeDateTime

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 958488 - Last Review: 06/22/2010 17:00:00 - Revision: 4.0

Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Ultimate, Windows Server 2008 R2 Datacenter, Windows Server 2008 R2 Enterprise, Windows Server 2008 R2 Standard

  • kbfix kbqfe kbsurveynew atdownload kbexpertiseadvanced KB958488