I have Sims on PC, and 3.5 GB of mods, but rarely have a problem with them. Last November, I got 8 packs, one of which was Get Famous. That was the 1st new pack I tried. My Sim met fell in love with another actor, and when I went to Manage Worlds to find her and move her in, she ended up having triplets and 6 dogs. (My MCCC is set a little hot...LOL!) I don't love doing CAS, but I wanted to use the new packs, but by the time I got to the 3rd one, I'd had it, and used a cute CC hair.
A few days later, the girl with the cc hair wouldn't go to school or drama club. Everyone else was fine. Then I remembered she was the last one I fixed in CAS and might have had CC. Sure enough, it was the cc hair. I've used lots of CC in TS1-4, and have rarely had any problems with it, and have rarely had to update them (except MCCC).
As for killing off the zillions of extra NPCs:
- Have your Sim go to a computer and open MCCC>MC POPULATION>MOVING SETTINGS>OPEN HOUSES> Set to max value. It makes the max value of houses unavailable for NPCs to move in.
- Delete Sims in CAS: I set Game Options to make everyone age, figuring they'd just die off. But they even filled up the new packs! Even kicked out Judith Ward! Rude!
I've never murdered Sims. Mine only seem to die of old age. Those days are through....
Thanks....