The arivis Hub Workflow Worker service in the stopped state is normal and expected as long as there is no Worker license available. After you have activated the license for arivis Hub Workflow Worker, you manually need to restart the service in one of the following ways:

• Go to the Run tab of the arivis Hub Server Setup and select Start from the dropdown of the service entry.
• Go to the Run tab of the arivis Hub Server Setup and click Apply.
• Reboot the system.