mscorwks.dll - How to ensure that my application is using this DLL?

Dear Experts,

  Please refer the attached image. We got the error and the windows service application is crashed. How to ensure that the windows service is using the .NET core DLL mscorwks.dll?

   I believe this is .net issue. Please share any hot fix if you have or know. Thanks.
Error.jpg
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Easwaran ParamasivamAsked:
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Barry CunneyCommented:
Hi Easwaran,
It appears that your issue is very similar to that documented in
http://support.microsoft.com/kb/913384

This article also mentions a hotfix
http://code.msdn.microsoft.com/KB913384

Please double-check all the details in the support article to be 100% sure that your scenario is the same, before applying the hotfix.
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Easwaran ParamasivamAuthor Commented:
Thanks. Could you please say the purpose of mscorwks.dll and why it is mandatory? I googled it but no luck. Thanks in advance.
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Easwaran ParamasivamAuthor Commented:
In other words, could you please suggest how to ensure that my windows service is referred the DLL? Thanks in advance.
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sarabandeCommented:
the mscorwks.dll is a .NET dll used by the framework. it exists for 32-bit framework in folder windows\microsoft.net\framework\v2.0.50727  and for 64-bit framework in windows\microsoft.net\framework64\v2.0.50727


at my win7 system it has build-number 5485 while yours is 1873. the dll provides helper functions for the framework I found names like GetUserStore, GetUserSateManager, ParseManifest, CreateCMSFromXml, ...  .

if a core dll crashes it rarely is an error of the dll itself but due to a wrong call where an invalid or NULL pointer was passed to the function. the error then would be 0xc0000005 access violation.

How to ensure that the windows service is using the .NET core DLL mscorwks.dll?
not sure that I understand what you mean. the crash and event log isn't it proof enough that the dll was used?

Sara
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Easwaran ParamasivamAuthor Commented:
Thanks.
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Easwaran ParamasivamAuthor Commented:
@sarabande: Could you please help to identify which part of code in my project uses the mscorwks.dll?
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sarabandeCommented:
what is your windows platform?
can you reproduce the error?
if yes, you could add log messages to your code to narrow down the cause to one statement.
if not, log messages would only help next time.

did you install the hotfix suggested by Barry? you also might get the newest service pack, i think the reason mentioned in the ms article that a null pointer was passed for the user policies is good likely and the hotfix should help. you also could try to run the service using a different user account. if you explicitly add some policies to the account the issue might be fixed as well.

Sara
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