You must have missed these steps in Part 3:
10.) At the PowerShell prompt, type eventvwr.msc and press Enter to open the Event Viewer.
11.) In the Event Viewer, navigate to Windows Logs / Application and look for the log entries with EventID 0 and the Source SimpleService.
Take note of the event message in the General tab. Leave the Event Viewer open during the next steps.
This is about the tenth time I’ve recorded this part to answer the same question