Symptoms:

When you try to launch your modeling tool it does not start and you receive an error message similar to: 

Resolution:

In order to resolve this issue please perform the following steps:

  1. Uninstall the modeling tool experiencing the issue. 
  2. Delete the configuration files folder. You can find information on where to find this folder for various products here: https://docs.nomagic.com/display/MD2021x/Configuration+files
  3. Restart your computer
  4. Install the modeling tool again 
  5. Try starting the application to see if your issue is resolved.