NTSTATUS 0x40010005 (DBG_CONTROL_C): meaning and diagnosis

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The debugger received a Ctrl+C console control event from the debuggee or its console.

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DBG_TERMINATE_PROCESS	DBG_PRINTEXCEPTION_C

DBG_CONTROL_C

Ctrl+C was delivered through the debugging path

When a console process is being debugged, Ctrl+C can be reported to the debugger as a debug exception rather than being handled immediately by the target console control handler. The debugger decides whether to consume the event or allow normal exception and console-control processing to continue.

This status is not evidence that the user necessarily intended to terminate the process. Ctrl+C may be used by a debugger as an interrupt command, generated by another console process, or delivered to a console process group.

What to inspect

Record the console process group and which process generated the control event.
Check whether the debugger uses Ctrl+C as its own break-in command.
Decide whether the target should receive its registered console control handler.
Distinguish Ctrl+C from Ctrl+Break, because applications and debuggers can handle them differently.

References

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