Visual C++ Concepts: Building a C/C++ Program
C Run-Time Error R6034

Error Message

An application has made an attempt to load the C runtime library without using a manifest. This is an unsupported way to load Visual C++ DLLs. You need to modify your application to build with a manifest. For more information, see the "Visual C++ Libraries as Shared Side-by-Side Assemblies" topic in the product documentation.

Applications must use a manifest to load the C runtime library. For more information, see Visual C++ Libraries as Shared Side-by-Side Assemblies and Manifest Generation in Visual Studio.

In release builds, the diagnostic message reads: "An application has made an attempt to load the C runtime library incorrectly. Please contact the application's support team for more information."

To correct this error

  • Rebuild your application to include a manifest. Building an application with Visual Studio automatically puts the manifest into the resulting .exe or .dll file. If you are building at the command line, use the mt.exe tool to add the manifest as a resource. Use resource ID 1 if you build an .exe, and resource ID 2 if you build a .dll. For more information, see How to: Embed a Manifest Inside a C/C++ Application.

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Community Content

mikey93117
what the heck - roxio 2009 C++run time error - r6034 - help ?
run time error
r
loading roxio 2009
microsoft dialog box
R6034
what the ^%$& ??
help anyone
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S. Kostrov
Regarding C Run-Time Error R6034
SergeyK's comment - in your case it is not clear what is going on, but I share my experience with solving that problem...

Microsoft's recommendation is very confusing. That is, it recommends to include a manifest file and to re-compile the project.

I recently had a problem with 'R6034' error message even with a manifest file already included!

In my case, Visual Studio 2005 compiles and builds a DEBUG-configuration of some DLL. But, as soon as I try to start an application that uses that DLL the loader can't load the DLL and displays an error message with error code 'R6034'.

It happened because two Run-Time DLLs were referenced in my DLL by some reason! As soon as I looked inside of my DLL I found two strings: 'msvcr80d.dll' and 'msvcr80.dll', and the 2nd one is the reason of that run-time problem.

In order to resolve the problem I added 'msvcrt.lib' to the list of ignored libraries for DEBUG-configuration:

[Configuration Properties] -> [Linker] -> [Input] -> 'Ignore Specific Library' - msvcrt.lib
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S. Kostrov
Regarding C Run-Time Error R6034
Please see above...

Some posting error happened
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S. Kostrov
Regarding C Run-Time Error R6034 - a description of my problem and solution
Please see above...

Some posting error happened
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marisk
Error running Expression 3 setup
This error - R6034 - pops up when trying to run Xsetup.exe for Expression 3.

What is that all about ??????????
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