Why do I get an “Invalid MEX File” error while executing my application which has a dependency on a MEX file?

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MathWorks Support Team 2013-6-13

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https://ww2.mathworks.cn/matlabcentral/answers/95576-why-do-i-get-an-invalid-mex-file-error-while-executing-my-application-which-has-a-dependency-on-a

编辑： MathWorks Support Team 2014-4-17

I am creating a compiled application which uses a MEX file in its operations. While I create it for a 32 bit machine it works fine but when I deploy it on a 64 bit machine I receive the following error:

Invalid MEX-file 'C:\Users\mllopes.000\AppData\Local\Temp\mllopes\mcrCache8.0\DS_GUI5\DS_GUI\FieldSolenoid_Opt_mex.mexw64': The specified module could not be found.

Everything (MEX, M, and the EXE files) was made using the same WIN 7 (x64) machine(using MATLAB 2012b). The executable runs fine on this machine. However, the machine I am trying to deploy the Executable is another WIN 7 (x64) machine that doesn't have MATLAB. It only has the MCR 2012b installed. I am using Microsoft Windows SDK 7.1 as the compiler.

What could be the issue?

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Answer 1

MathWorks Support Team 2013-10-18

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/95576-why-do-i-get-an-invalid-mex-file-error-while-executing-my-application-which-has-a-dependency-on-a#answer_104929

This peculiar behavior was because that the MCR was not able to find the MEX file. The MEX file was not able to find a dependency which seems to be related/included with Microsoft Windows SDK 7.1.

Installing the Microsoft Windows SDK 7.1 on the target computer and restarting the machine would resolve the issue.