Understanding and Fixing mclmcrrt9-9.dll Errors mclmcrrt9-9.dll is a critical component of the MATLAB Runtime
In the MATLAB Compiler, specify -R 9.9 or select R2019b as the target runtime. mclmcrrt9-9.dll
. If you are seeing an error message stating that this file is "missing" or "not found," it typically means a program compiled with MATLAB is trying to run, but the necessary environment isn't properly set up on your system. What is mclmcrrt9-9.dll? This DLL (Dynamic Link Library) is part of the MATLAB Compiler Runtime (MCR) version 9.9 , which corresponds to MATLAB R2020b Understanding and Fixing mclmcrrt9-9