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This application has requested the runtime to terminate it in an unusual way

Posted on 2010-08-23
Medium Priority
Last Modified: 2012-05-10
I'm getting this error when I'm trying to run my application without the debugger. The Microsoft help site says this:

This problem may occur when you use the /GR and the /MD compiler switches, and the version of the Msvcrt.dll file and of the Msvcirt.dll file is 7.0.x.

There is a hotfix for Windows XP but there's no solution for anything else (I use Windows 7). Also, I can't just ship a hotfix along with it.
I don't really know much about compiler switches, how do I compile this program and have this error go away?

I'm using Visual Studio 2008, this is my command line:

/Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_UNICODE" /D "UNICODE" /Gm /EHsc /RTC1 /MDd /Fo"Debug\\" /Fd"Debug\vc90.pdb" /W3 /nologo /c /ZI /TP /errorReport:prompt

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Thanks in advance.
Question by:Snapples
LVL 40

Expert Comment

ID: 33503517
>> This problem may occur when you use the /GR and the /MD compiler switches, and the version of the Msvcrt.dll file and of the Msvcirt.dll file is 7.0.x.

I wouldn't read too much into that... there are plenty of reasons why your code could be generating this error. The main one is that the code has thrown an exception and it has not been caught or handled.

The following tiny bit of code demonstrates this.
int main()
	throw 0;

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Author Comment

ID: 33503613
Well, I have try catch blocks everywhere in my program, also at the start, but I get the runtime error before it even gets there.
LVL 86

Accepted Solution

jkr earned 2000 total points
ID: 33503652
Since you mention explicitly "when I'm trying to run my application without the debugger" the reason is most likely an uninitialized variable, since when running under the VS debugger, all variables are explicitly initialized. I'd start double checking that.
LVL 40

Expert Comment

ID: 33504135
>> Well, I have try catch blocks everywhere in my program

Well that's not the only reason you might get the error - it was more an example of the fact that the MSDN article is probably a red-herring. Also, where you say you have catch blocks - what exactly are you catching?

You should also check what jkr suggests. Also, newer versions of Visual Studio instrument code with buffer overflow checks and can be the cause of such errors.

Out of interest are you running release or debug versions of the code? How do they both run in the debugger? How do they both run if you have no debugger attached?
LVL 33

Expert Comment

ID: 33504430
Just a moment. The command line you posted generates the debug version. How I understand you have problem with the release build. If you have a mistake in the project settings, in the release configuration, the application will crash.

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