MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 1 and the Microsoft .NET Framework 3.5 on Windows 2000, Windows XP, and Windows Server 2003: October 13, 2009

View products that this article applies to.

INTRODUCTION

Microsoft has released security bulletin MS09-061. To view the complete security bulletin, visit one of the following Microsoft Web sites:

Home users:
http://www.microsoft.com/security/updates/bulletins/200910.aspx (http://www.microsoft.com/security/updates/bulletins/200910.aspx)
Skip the details: Download the updates for your home computer or laptop from the Microsoft Update Web site now:
http://update.microsoft.com/microsoftupdate/ (http://update.microsoft.com/microsoftupdate/)
IT professionals:
http://www.microsoft.com/technet/security/bulletin/ms09-061.mspx (http://www.microsoft.com/technet/security/bulletin/ms09-061.mspx)

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How to obtain help and support for this security update

For home users, no-charge support is available by calling 1-866-PCSAFETY in the United States and Canada or by contacting your local Microsoft subsidiary. For more information about how to contact your local Microsoft subsidiary for support issues with security updates, visit the Microsoft International Support Web site:

http://support.microsoft.com/common/international.aspx?rdpath=4 (http://support.microsoft.com/common/international.aspx?rdpath=4)

North American customers can also obtain instant access to unlimited no-charge e-mail support or to unlimited individual chat support by visiting the following Microsoft Web site:

http://support.microsoft.com/oas/default.aspx?&prid=7552 (http://support.microsoft.com/oas/default.aspx?&prid=7552)

For enterprise customers, support for security updates is available through your usual support contacts.

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MORE INFORMATION

Prerequisites to install this security update

To install this security update, you must have Windows Installer 3.1 or a later version installed on the computer. To obtain the latest version of Windows Installer for the computer, visit the following Microsoft Web site:

http://www.microsoft.com/downloads/details.aspx?familyid=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en (http://www.microsoft.com/downloads/details.aspx?familyid=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en)

Update removal information

After you install this update, you can uninstall it by using the Add or Remove Programs item in Control Panel.

Command-line switches for this update

You can find information about the various command-line switches that this update supports in security bulletin MS09-061 and on the following MSDN Web site:

http://msdn.microsoft.com/en-us/library/aa367988(VS.85).aspx (http://msdn.microsoft.com/en-us/library/aa367988(VS.85).aspx)

For more information about Windows Installer, visit the following MSDN Web site:

http://msdn.microsoft.com/en-us/library/aa367449(VS.85).aspx (http://msdn.microsoft.com/en-us/library/aa367449(VS.85).aspx)

Known issues

For more information about installation issues with this update, click the following article numbers to view the articles in the Microsoft Knowledge Base:

923100 (http://support.microsoft.com/kb/923100/ ) When you try to install an update for the .NET Framework 1.0, 1.1, 2.0, 3.0, or 3.5, you may receive Windows Update error code "0x643" or Windows Installer error code "1603"

923101 (http://support.microsoft.com/kb/923101/ ) Error message when you try to install a security update for the .NET Framework 2.0 on a computer that is running Windows Server 2003 x64 Edition: "Error 1324. The folder 'Program Files' contains an invalid character"

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FILE INFORMATION

The English (United States) version of this security 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 Microsoft .NET Framework 2.0 Service Pack 1 and the Microsoft .NET Framework 3.5 on 32-bit systems

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File name	File version	File size	Date	Time
mscordacwks.dll	2.0.50727.1873	819,016	08-Aug-2009	09:35
mscorlib.dll	2.0.50727.1873	4,345,856	08-Aug-2009	09:35
mscorwks.dll	2.0.50727.1873	5,849,920	08-Aug-2009	09:35

For Microsoft .NET Framework 2.0 Service Pack 1 and the Microsoft .NET Framework 3.5 on x64-based systems

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File name	File version	File size	Date	Time
mscordacwks.dll	2.0.50727.1873	1,649,480	08-Aug-2009	04:57
mscordacwks.dll	2.0.50727.1873	819,016	08-Aug-2009	09:35
mscorlib.dll	2.0.50727.1873	4,345,856	08-Aug-2009	04:53
mscorlib.dll	2.0.50727.1873	4,345,856	08-Aug-2009	09:35
mscorwks.dll	2.0.50727.1873	10,539,856	08-Aug-2009	04:56
mscorwks.dll	2.0.50727.1873	5,849,920	08-Aug-2009	09:35

For Microsoft .NET Framework 2.0 Service Pack 1 and Microsoft .NET Framework 3.5 on Itanium-based systems

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File name	File version	File size	Date	Time
mscordacwks.dll	2.0.50727.1873	2,766,168	08-Aug-2009	04:58
mscordacwks.dll	2.0.50727.1873	819,016	08-Aug-2009	09:35
mscorlib.dll	2.0.50727.1873	3,997,696	08-Aug-2009	04:56
mscorlib.dll	2.0.50727.1873	4,345,856	08-Aug-2009	09:35
mscorwks.dll	2.0.50727.1873	21,679,952	08-Aug-2009	04:53
mscorwks.dll	2.0.50727.1873	5,849,920	08-Aug-2009	09:35