When you run a Microsoft .NET Framework 4-based application, the application may crash intermittently. When this issue occurs, two error events that resemble the following are logged in the Application log.
Description: Application: <Application name> Framework Version: v4.0.21006 Description: The process was terminated due to an internal error in the .NET Runtime at IP 6B484BC2 (6B300000) with exit code 80131506.
The issue occurs because an object that is being referenced is dereferenced by the garbage collector in common language runtime 4 (CLR4). Therefore, an access violation occurs during garbage collection or when the application tries to access the released object.
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft website:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
Prerequisites
To apply this hotfix, you must have the .NET Framework 4 installed.
Restart requirement
You must restart the computer after you apply this hotfix if the affected files are being used. We recommend that you close all instances of Microsoft Visual Studio and all .NET Framework-based applications before you install this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
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.
For all supported x86-based versions of the .NET Framework 4
Collapse this tableExpand this table
File name
File version
File size
Date
Time
Platform
Clr.dll
4.0.30319.526
6,726,912
04-Nov-2011
12:10
x86
Cordacwks.dll
4.0.30319.526
1,143,568
04-Nov-2011
12:10
x86
Mscordbi.dll
4.0.30319.526
956,688
04-Nov-2011
12:10
x86
Mscorlib.dll
4.0.30319.526
5,201,680
04-Nov-2011
12:10
x86
Nlssorting.dll
4.0.30319.526
57,104
04-Nov-2011
12:10
x86
Setup.dll
10.0.30319.526
296,712
04-Nov-2011
12:10
x86
Setupengine.dll
10.0.30319.526
810,256
04-Nov-2011
12:10
x86
Setupui.exe
10.0.30319.526
79,112
04-Nov-2011
12:10
x86
Sos.dll
4.0.30319.526
517,888
04-Nov-2011
12:10
x86
Sqmapi.dll
6.1.7600.16385
196,416
01-Nov-2011
02:18
x86
For all supported x64-based versions of the .NET Framework 4
Collapse this tableExpand this table
File name
File version
File size
Date
Time
Platform
Clr.dll
4.0.30319.526
6,726,912
04-Nov-2011
12:10
x86
Clr.dll
4.0.30319.526
9,793,280
04-Nov-2011
16:00
x64
Cordacwks.dll
4.0.30319.526
1,143,568
04-Nov-2011
12:10
x86
Cordacwks.dll
4.0.30319.526
1,515,792
04-Nov-2011
16:00
x64
Mscordbi.dll
4.0.30319.526
956,688
04-Nov-2011
12:10
x86
Mscordbi.dll
4.0.30319.526
1,455,376
04-Nov-2011
16:00
x64
Mscorlib.dll
4.0.30319.526
5,201,680
04-Nov-2011
12:10
x86
Mscorlib.dll
4.0.30319.526
4,971,280
04-Nov-2011
16:00
x64
Nlssorting.dll
4.0.30319.526
57,104
04-Nov-2011
12:10
x86
Nlssorting.dll
4.0.30319.526
68,368
04-Nov-2011
16:00
x64
Setup.dll
10.0.30319.526
296,712
04-Nov-2011
12:10
x86
Setupengine.dll
10.0.30319.526
810,256
04-Nov-2011
12:10
x86
Setupui.exe
10.0.30319.526
79,112
04-Nov-2011
12:10
x86
Sos.dll
4.0.30319.526
517,888
04-Nov-2011
12:10
x86
Sos.dll
4.0.30319.526
598,784
04-Nov-2011
16:00
x64
Sqmapi.dll
6.1.7600.16385
196,416
01-Nov-2011
02:18
x86
For all supported IA-64-based versions of the .NET Framework 4