I have the same issue. I first noticed this on Sims 3 after I installed a few expansion packs, but if I turned off the internet and most expansions, it helped, but it was still slightly lagging and I chalked that up to being an old laptop.
Now with a new laptop and Sims 4, all was fine until I installed Eco Lifestyle. After that I noticed the computer menu would take a while to show up, and sometimes it wouldn't even highlight when you hover on it. Once you do click on it, until the menu shows up (which can take from 4 seconds to 30 seconds), even though you can hover over other objects (and you can see the white outline), it won't actually allow you to select anything. Can having too many expansion packs do this? Is there a way to uninstall Eco Lifestyle?
Also it seems the longer the game is on, the worse the PC menu lag gets. ☹️
Also, I installed Eco Lifestyle after the patch update- the proper one lol
Yep it's only the computer menu lagging so far and I guess the only other thing is saving games takes slightly longer than it used to, but not as bad as the computer menu bug.
Father Winterfest still shows up although he shows up a bit late (closer to 9pm).
I "uninstalled" EP09 (Eco Lifestyle) from the PC folder and the problem seems to have gone 🙂
