HA Installation never completes on Raspberry PI...Failed to start Docker Container error

First time setup for me. Using Raspberry Pi 4B and I am never able to connect as the installation loop never completes. Monitor the output of the Pi and the only error noted is: Failed to start Docker Application Container. Followed the meager troubleshooting steps of the install instructions…used two different Pi units, three different cards written at least twice each. Any insight and advice on how to resolve this issue? (I’m next going to try and install on an Intel NUC I’ve got lying about unused…but would really like to use a Pi for this.)

Did you use these installation instructions? Raspberry Pi - Home Assistant.

Is the Pi connected to the internet?