I have had a problem with sims4 crashing when I try to move house, when planning outfits, and trying to visit any of the fairs that I should be able to visit. I have had this problem for weeks now and although I have uninstalled origin twice, it has made no difference
Do you have any mods or CC (custom content)? Try taking that out.
See this for more information: [PLEASE READ] Usage of Mods and Custom Content
I do not work for EA