: Manually add the runtime\win64 folder to your Windows Environment Variables .

In the MATLAB Compiler, specify -R 9.9 or select R2019b as the target runtime.

In a standard Windows installation of the MCR, this DLL is typically found in:

"Attempting to load mclmcrrt9_9.dll. Please install the correct version of MATLAB Runtime." "The specified module could not be found." Troubleshooting and Fixes

MCR_CACHE_VERBOSE=true

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