could you give a bit more details ? This is a very old thread with a bit of a mixture of things
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Try ctrl+alt+del open the task manager, then force close TS4.exe.
My problem is that today i was playing my game and when i wanted to save (not quit just save) it just loaded the saving screan for ages and ages and i had to restrast my computer but i lost everything and it kept happening over and over again! Even when i aged up a baby and i used cas.fulleditmode to go in cas to edit my sim and when i was finished and clicked on the check button it just got stuck on the loading screen for ever! Please help me!
I do save my game before i press exit. but i still have to force the game to close. But i am glad after reading this . Im not the only one having trouble closing out .
I had this issue just now with saving a household. I had edited my sims to have clothes, their icons didn't load in game despite they had already generated in CAS just fine, so I explicitly went to save to exit the household and see if that reloaded the icons. So I just lost all those edits.
Just before I started playing, I also had this happen when I was saving a gallery Sim to my library, before I had even loaded my worlds and was on the title screen. I had to force quit and load the game again.
I do not know if you have them but try removing (not disabling) mods / cc and delete the localthumbcache.package and any other cache files.
Test the game to see if the issues are still there.
More Troubleshooting tips
I'm a new Sims 4 player with a brand new, fresh clean install of the game. It was fine for a few days but when the Island Living patch came out I started experiencing all sorts of issues. I don't have any mods.
I don't think the cache or unloaded items is the issue with the random saving-a-gallery-sim hangup I experienced in Gallery prior to even loading any saves, either.