All of my households are gone after an update :(

@shantelxc  What folder is Sims 4 reading?  Here's how to find out:

https://sims4.crinrict.com/eng/2018/07/how-to-find-your-user-folder/

If that folder is different than the one in your screenshot, move the saves to the correct folder.  If it's the exact same folder, as in, the entire path matches up to "The Sims 4," try recovering some of your backup saves:

https://sims4.crinrict.com/eng/2014/09/recover-backup-save-game/