Livelink for Pro-Engineer error: ... PRO_COMM_MSG_EXE ...

Hi All,


I have installed live link for Pro-Engineer 4.0.

On the Comsol model builder right click and Livelink for Pro-Engineer. As i click on synchronize, an error report was appear:

Failed to connect to Pro/ENGINEER.

Please check the PRO_COMM_MSG_EXE environment variable is set correctly before launching COMSOL.

please tell me how to repair this failure.

thanks

regards