Problem Description
I have installed both COMSOL Multiphysics and COMSOL Client. When I double click my .mph file, COMSOL Client is launched. I expect that COMSOL Multiphysics would be launched.
Solution
Right click on the .mph file and select Open With. If you have installed both COMSOL Multiphysics and COMSOL Client, you will be able to select either COMSOL Multiphysics or COMSOL Client. Windows may ask you to confirm your choice for future use. You can also select which program to start by opening Settings in Windows and go to Apps>Default apps. Then search for .mph and select to use COMSOL Multiphysics.
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