To run the engine application on a Windows® operating system, you must register MATLAB® as a COM server. Register MATLAB for every session, to ensure that the current version of MATLAB is the registered version. If you run older versions, the registered version
could change. If there is a mismatch of version numbers, MATLAB displays
Can't start MATLAB engine.
To register MATLAB manually as a server, start MATLAB as a user with administrator privilege. Then type:
Close the MATLAB window that appears.