No endpoint available in the Act! Connect Link application

Symptom: I am trying to use the Act! Connect Link app to get my URL, but there is no endpoint available.
 
Product Details: 
Product Family:  Act!
Product:  Act! Premium
Version: v18.2
Integration:  Act! Connect Link
 

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Cause: 
This can occur if the Act! Connect Link service is not started or if the service is not registered.
 
Solution: 
 
Note: If the service shows as running inside the Act! Connect Link window, skip to step 7
 

1. Close out of the Act! Connect Link application
2. Open the Windows Task Manager and end any process called node.js or node.exe
3. On your keyboard, press the Windows key + R to bring up the Run dialog
4. In the run dialog, type services.msc then press Enter
5. Start or, if already started, restart the ActConnectLink service
6. Re-open the Act! Connect Link application
7. Click the Register icon

 
Note: If the endpoint is listed as undefined after starting/restarting and registering the service, refer to the following knowledgebase article:
 
Endpoint is shown as undefined in Act! Connect Link application
Answer ID Endpoint is shown as undefined in Act! Connect Link application