@Onverser As a test, please try playing in a clean user folder. Move the entire Sims 3 folder out of Documents\Electronic Arts and onto your desktop, and when you open the launcher, a clean folder will spawn with no content. Don't add anything to it yet; just see whether the same issue happens with Seasons active. I'm also curious whether it happens in Sunset Valley, since that world is more stable; even if this isn't a solution, it's useful information to have.
Please also list the mods you normally use, other than any that contain adult content. (Just list the creators so I know.) It's possible another mod would help, but you might already be using the ones I'd suggest.
