My program sometimes can't exit normally

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chris - 01 Nov 2006 03:06 GMT

When click X or other exit entry, OS will ask me to report error to MS,
then i use windbg to debug, it report:Unknown exception - code c0020001
(first chance)

Does anybody know what is the problem?

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Bruno van Dooren [MVP VC++] - 01 Nov 2006 09:33 GMT

> When click X or other exit entry, OS will ask me to report error to MS,
> then i use windbg to debug, it report:Unknown exception - code c0020001
> (first chance)

Without more information, The logical assumption is that your app does
something illegal when it closes.
Does it also do this if you run it in the debugger?
If that is the case, then your program should break at the place where the
exception happens.

Have you tried setting breakpoints in your shutdown sequence and stepping
through it one line at the time?

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Kind regards,
Bruno van Dooren
bruno_nos_pam_van_dooren@hotmail.com
Remove only "_nos_pam"

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Oleg Starodumov - 01 Nov 2006 10:39 GMT

> When click X or other exit entry, OS will ask me to report error to MS,
> then i use windbg to debug, it report:Unknown exception - code c0020001
> (first chance)

See if this can help:
http://blogs.msdn.com/cbrumme/archive/2003/04/15/51318.aspx

--
Oleg
[VC++ MVP http://www.debuginfo.com/]

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My program sometimes can't exit normally

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