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EmailArticle ID: 2160841 - Last Review: June 10, 2011 - Revision: 4.1 MS10-077: Vulnerability in the .NET Framework could allow remote code execution
Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows
(http://windows.microsoft.com/en-us/windows/help/end-support-windows-xp-sp2-windows-vista-without-service-packs)
. On This PageINTRODUCTIONMicrosoft has released security bulletin MS10-077. To view the complete security bulletin, visit one of the following Microsoft websites:
How to obtain help and support for this security updateFor 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 website: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 email support or to unlimited individual chat support by visiting the following Microsoft website: 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.MORE INFORMATION
The following file is available for download from the Microsoft Download Center: Collapse this image  Release Date: October 12, 2010 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
(http://support.microsoft.com/kb/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.
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, visit the following Microsoft website:Windows Installer 4.5 Redistributable
(http://www.microsoft.com/downloads/en/details.aspx?familyid=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en)
Known issues with this security updateFor more information about installation issues with this security update or with the Microsoft .NET Framework 4, click the following article number to view the article in the Microsoft Knowledge Base:2436246
(http://support.microsoft.com/kb/2436246/
)
Updates for the .NET Framework may not have a fully localized setup experience
2431208 (http://support.microsoft.com/kb/2431208/ ) An update for the Microsoft .NET Framework may fail to install when the Microsoft .NET Framework 4 is installed and a restart is pending 2260913 (http://support.microsoft.com/kb/2260913/ ) Files in use or File Locks can Result in Framework Assembly Files being Deleted 2263996 (http://support.microsoft.com/kb/2263996/ ) Patching of Microsoft Framework can fail with Access is denied or File in Use error 2473228 (http://support.microsoft.com/kb/2473228/ ) Products or updates may not be installed correctly when Microsoft .NET Framework 4 or updates for Microsoft .NET Framework 4 are installed after the other product or update installs and a restart is pending Command-line switches for this updateFor information about the various command-line switches that are supported by this update, see the Windows Installer command-line switches (http://msdn.microsoft.com/en-us/library/Aa367988) document.For more information about Windows Installer, visit the Windows Installer MSDN website (http://msdn.microsoft.com/en-us/library/Aa367449) . Restart requirementThis update does not require a system restart after you apply it unless files being updated are locked or in use. However, installing this update will trigger a restart of all Internet Information Services (IIS)-related services. These include the IISADMIN, W3SVC, FTP, and SMTP services. This behavior occurs because a base component for the .NET Framework includes instructions for restarting these services. Therefore, every update to the product will execute the same restarting instructions.Update removal informationTo remove this update, use the Add or Remove Programs item in Control Panel.Update replacement informationThis security update does not replace a previously released security update.FILE INFORMATION
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Update for 64-bit x64 versionsLDRCollapse this table
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Update for 64-bit IA-64 versionsLDRCollapse this table
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