Download information The following file is available for download from the Microsoft Download Center:
Download 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:
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.
Known issues and additional information about this security update
For more information about installation issues with the Microsoft .NET Framework 3.5.1, click the following article number to view the article in the Microsoft Knowledge Base:
Patching of Microsoft Framework can fail with Access is denied or File in Use error
Command-line switches for this update
For more 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:
Description of the Windows Update Stand-alone Installer (Wusa.exe) and of .msu files in Windows Vista, Windows 7, Windows Server 2008, and in Windows Server 2008 R2
This update does not require a system restart after you apply it unless the files that are being updated are locked or in use.
Update removal information
To remove this update, use the Add or Remove Programs
item in Control Panel.
Update replacement information
This security update does not replace a previously released security update.