I followed the steps. Reinstalled and stil get the same thing, Plex screen on browser in “getting ready" loop. I let it loop for one hour and no change.
If anyone is following this, my pc was starting to go bonkers, maybe from the changes I made, maybe from bad luck. I just reinstalled Windows including reformatting the hard drive. Created a new plex account and downloaded plex media server and just started from scratch. I could never claim my server.
Server logs might contain a hint what’s going wrong with your setup. Could be a problem with your new server talking to Plex‘s backend (e.g. if it fails to resolve some Plex URL due to a bad DNS).
[edit: you certainly won’t need to create a new account]