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Editorial Team
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Asked: 2026-05-22T01:53:37+00:00

I’m working on a cpp app, works fine on the virtual machine im developing

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I’m working on a cpp app, works fine on the virtual machine im developing but in my laptop (XP without c++ redistributable package) it shows an error saying the app needs MSVCR100.DLL and it’s not in the computer. I am not referencing the dll directly anywhere in the app so I guess it could be because of the headers included. I don’t want to use this dll include, I’d prefer if the app works without it. These are the headers included:

#include <winsock2.h>
#include <windows.h>
#include <process.h>
#include <shellapi.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>

I tried commenting a few, but for commenting other I have to change too much code just for testing.

Which one of those headers comes from MSVCR100.DLL?

The project setting “Runtime library” is set to Multi-threaded (/MT).

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1 Answer

  1. Editorial Team

    Everything in the C library depends on it whenever you compile your program with Visual Studio 2010. So either you link statically with the C runtime, or you deploy the DLL with your application.

    If you want to know, stdlib.h, stdio.h, cmath.h depend on it, and also probably a lot of headers depending on the C runtime are indirectly included in all your other headers. So I’d say all of your headers depend on MSVCR100.DLL.

    Another solution is to have a Visual Studio 2008 + SP1 installed alongside 2010 (VC++ express 2008 works fine) and select “Toolset v90” in the project properties.

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