Just updated to whatever the latest is for Windows 64bit on 6/20/2016 and now Plex loads on the server machine, you pick a user and nothing appears… you can switch users but that’s it… Any ideas?
Are you referring to plex media player or plex media server ?
What client app are you switching users in ?
Is the plex media server actually running and showing as a plex icon in the Windiws system tray ?
Have a look at the support portal here https://support.plex.tv for log files and debug logging
https://support.plex.tv/hc/en-us/articles/201869908-Log-Files