I'm not sure if this goes for everyone, but let me walk you through my Simming process.
I haven't played in a while, but I go to start up my game anyway.
Something is messed up, so I uninstall all CC and tell myself to never install CC that quickly again, being careful to check a few at a time.
I don't like playing without CC so I find myself in a CC loop of, "Oh, I want that!" "Okay, no more." "Oh my god, gimme that!" "Okay, just one more page." "Wow. Look at that!"
Install all downloaded files, start playing. Everything is fine.
... Then I have a deformed/chimeric baby.
Spend hours, and sometimes days trying to narrow down the culprit of those GOD DAMNED HOOKER BOOTS.
(Most of the time) Give up.
I've been at it since last night trying to find the bad CC. I haven't given up yet but I'm getting real close. I hate the person who first put those damn things into circulation as an all ages, all outfits, destroyer of fun.
Normally, I would bypass newborn since it's much easier to handle a toddler (and now I know how to "Edit Sim in Create A Sim") but I downloaded bigbangsimory's cute footie jammies and now I want a baby around. And let me just tell you, the above picture is NOTHING compared to what the newborns look like with those PJs and those freaking boots on.