Article ID: 2533523 - Last Review: November 30, 2011 - Revision: 4.0

Reliability Update 1 for the .NET Framework 4

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Introduction

Reliability Update 1 for the Microsoft .NET Framework 4 is available to fix some stability, reliability, and performance issues in the Microsoft .NET Framework 4.

This update includes the update packages that are listed in the "Update replacement information" section.

This update package also resolves some issues that were not documented in a previously released Microsoft Knowledge Base (KB) article. For more information about these issues, see the "More information" section.

RESOLUTION

Update information


Download Reliability Update 1 for the .NET Framework 4 from the following Microsoft Download Center website:
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Download
Download Reliability Update 1 for the Microsoft .NET Framework 4 now. (http://go.microsoft.com/fwlink/?LinkID=219467)
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.

Prerequisites

To apply this update, you must have the .NET Framework 4 or the Microsoft .NET Framework 4 Client Profile installed.

To install this update, you must have Windows Installer 3.1 or a later version installed. To obtain the latest version of Windows Installer, visit the following Microsoft website:
Download Windows Installer 4.5 redistributable (http://go.microsoft.com/fwlink/?LinkID=132022)

Command-line switches for this update


For more information about the various command-line switches that are supported by this update, visit the following Microsoft website:
General information about the Windows Installer command-line switches (http://go.microsoft.com/fwlink/?LinkId=195005)

For more information about Windows Installer, visit the following MSDN website:
General information about Windows Installer (http://go.microsoft.com/fwlink/?LinkId=195006)

Restart requirement

After you apply this update, you must restart the computer if any affected files are locked or are being used.

Update replacement information

#Updatereplacement
This update replaces the following hotfixes:
2509818  (http://support.microsoft.com/kb/2509818/ ) FIX: ICorDebug interface does not resolve the managed frames on all stacks for a mini-dump file in the .NET Framework 4
2545756  (http://support.microsoft.com/kb/2545756/ ) FIX: New Rupee symbol is not displayed when you run a .NET Framework 2.0-based application to obtain the symbol if the user locale is not an Indian locale
2315412  (http://support.microsoft.com/kb/2315412/ ) FIX: Access violation may occur when you run a .NET Framework 2.0 SP2-based application that calls a mixed assembly that is domain-neutral
2260913  (http://support.microsoft.com/kb/2260913/ ) FIX: Updating the .NET Framework may fail and some files in the GAC may be deleted
2467309  (http://support.microsoft.com/kb/2467309/ ) FIX: The String.IndexOf method takes longer than expected to finish, and the .NET Framework 4.0 performance decreases significantly
2511058  (http://support.microsoft.com/kb/2511058/ ) FIX: Full thread stack is committed unexpectedly when you start threads that are not created in CLR after you set the value of the disableCommitThreadStack element to 1 in the .NET Framework 4
2538717  (http://support.microsoft.com/kb/2538717/ ) FIX: Application may crash if the Localized property is set to True in a .NET Framework 4-based Windows Form application
2346777  (http://support.microsoft.com/kb/2346777/ ) FIX: System.ArgumentOutOfRangeException exception when you run a .NET Framework 4-based application that uses the MemoryCache.CreateCacheEntryChangeMonitor method

File information

The English version of this hotfix 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.
Click here to view or hide detailed information

MORE INFORMATION

Issues that this update resolves

This update resolves the following issues.

Click here to view or hide detailed information

REFERENCES

For more information about .Net Framework, visit the following Microsoft Website:
Microsoft .NET (http://www.microsoft.com/net)

APPLIES TO
  • Microsoft .NET Framework 4
  • Microsoft Windows XP Service Pack 3, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional
  • Microsoft Windows Server 2003 Service Pack 2, when used with:
    • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
    • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
    • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
    • Microsoft Windows Server 2003, Datacenter x64 Edition
    • Microsoft Windows Server 2003, Enterprise x64 Edition
    • Microsoft Windows Server 2003, Standard x64 Edition
  • Windows Server 2008 Service Pack 2, when used with:
    • Windows Server 2008 Datacenter
    • Windows Server 2008 Enterprise
    • Windows Server 2008 Foundation
    • Windows Server 2008 Standard
  • Windows Vista Service Pack 2, when used with:
    • Windows Vista Business
    • Windows Vista Enterprise
    • Windows Vista Home Basic
    • Windows Vista Home Premium
    • Windows Vista Starter
    • Windows Vista Ultimate
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Ultimate
  • Windows 7 Service Pack 1, when used with:
    • Windows 7 Enterprise
    • Windows 7 Home Basic
    • Windows 7 Home Premium
    • Windows 7 Professional
    • Windows 7 Ultimate
  • Windows 7 Starter
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Service Pack 1, when used with:
    • Windows Server 2008 R2 Datacenter
    • Windows Server 2008 R2 Enterprise
    • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Foundation
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