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c# - WinDbg: Copy of SOS.dll x86 4.0.30319.237

I am using WinDbg to look into a process dump. The dump has been taken on an x86 server with .NET 4 SP1 (4.0.30319.237). I'm attempting to debug on my x64 machine using the x86 version of WinDbg, but I get the following issue.

0:000> !EEVersion
The version of SOS does not match the version of CLR you are debugging.  Please
load the matching version of SOS for the version of CLR you are debugging.
CLR Version: 4.0.30319.237
SOS Version: 4.0.30319.239
4.0.30319.237 retail
Workstation mode
SOS Version: 4.0.30319.239 retail build

As my machine has taken a recent security patch, the SOS DLL file is now at version 4.0.30319.239, so I am unable to use any of the CLR extensions in WinDbg. I have connected to Microsoft symbol servers and got the correct version of mscordacwks.dll.

Where can I get a copy of SOS.dll version 4.0.30319.237?

The best match I get online is via Reliability Update 1 for the .NET Framework 4. However, this cannot be installed on my machine (and I don't have a second one) as it's already superceeded.

Nightmare!

See Question&Answers more detail:os

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I’m in nearly the same situation.

0:000> !EEVersion
The version of SOS does not match the version of CLR you are debugging.  Please
load the matching version of SOS for the version of CLR you are debugging.
CLR Version: 4.0.30319.235
SOS Version: 4.0.30319.239
4.0.30319.235 retail
Workstation mode
SOS Version: 4.0.30319.239 retail build

I have downloaded and used psscor4, it don’t complain, and the stack looks sensible

0:000> !psscor4.EEVersion
4.0.30319.235 retail
Workstation mode
SOS Version: 4.0.0.4 retail build
0:000> !psscor4.DumpStack
OS Thread Id: 0x874 (0)
Current frame: ntdll!KiFastSystemCallRet
ChildEBP RetAddr  Caller,Callee
002ec6c8 77d16a24 ntdll!NtWaitForSingleObject+0xc 
002ec6cc 758e6f0f mswsock!SockWaitForSingleObject+0x1ba , calling        ntdll!NtWaitForSingleObject
002ec70c 758e65cc mswsock!SockDoConnectReal+0x2c3 , calling    mswsock!SockWaitForSingleObject
002ec77c 71a63267 clr!GetCompileFlags+0x144 , calling clr!_EH_epilog3
002ec780 76ee2f7d ws2_32!WahReferenceContextByHandle+0x63 
002ec7a4 758e5fac mswsock!SockDoConnect+0x3a1 , calling mswsock!SockDoConnectReal
002ec7e4 76a82c6a kernel32!FlushInstructionCache+0x18 , calling     ntdll!ZwFlushInstructionCache

You could give it a try !


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