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Result Disconnect and Result Network Error

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JamesABCD View Drop Down
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    Posted: 22 December 2017 at 11:07am
We’ve an .Net application running in an RDP Session that crashes
•     sometimes with Problem Event Name: APPCRASH, Exception Code: c0000006
•     sometimes with Problem Event Name: InPageError Exception Code: c000020c
The application is shut down immediately, so there’s no chance to catch an exception.

The application location is accessible via a network share.

We have investigated the crash using Process Monitor (SysInternals/ Microsoft). There’s issue while reading some other .Net dlls. The dll files involved can be read when you start the application. But after doing some certain steps they seem to be not accessible anymore and application crashes. In the protocol there are 2 suspicious types of entries that occur when trying to read other .Net dll files:

•     Operation: Read File, Result: Network Error
•     Operation: ReadFile, Result: Disconnected


Can anybody explain the meaning of these results?
I’d like to be sure
•     if these results both are “real hard” errors and
•     if they are caused by infrastructure (hardware, network, Windows etc.) or by the application itself

(For an explanation of result Network Error see here
https://forum.sysinternals.com/network-error-with-file-access_topic24186.html
)
(There is also a question for result Disconnection but unfortunately no reply.
https://forum.sysinternals.com/what-does-disconnected-mean-for-readfile_topic26880.html)
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MagicAndre1981 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MagicAndre1981 Quote  Post ReplyReply Direct Link To This Post Posted: 24 December 2017 at 12:03pm
c0000006 = ERROR_INVALID_HANDLE
c000020c = STATUS_CONNECTION_DISCONNECTED

why do you run it from networkshare?

also capture a real crash dump and analyze the dmp with Windbg/DebugDiag/VisualStudio 
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JamesABCD View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JamesABCD Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2018 at 3:07pm
Hallo Andre,

Thanks for your reply.

1)     Error Codes for crash events
What is your source for the texts belonging to the error codes?
I had found a different explanation for 0xC0000006:
0xC0000006 STATUS_IN_PAGE_ERROR The instruction at 0x%08lx referenced memory at 0x%08lx. The required data was not placed into memory because of an I/O error status of 0x%08lx.”
(Quoted from https://stackoverflow.com/questions/20335435/how-do-i-fix-inpageerror-crash-in-visual-studio-2010)

2)     Result types for read file operations (seems to be more important to me)
Do you have explanations for results “Network Error” and “Disconnected”
In both cases, if possible, I would like to have a more detailed explanation.

Sincerely
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