Got it, finally.

She's already in the pool. Just keep her in there for 15 seconds and the Motive Armageddon will occur. I've tried to pull her out just as the Opportunity asks to report in, but she'll even drown on the cement.

This occurs even after using the latest 6/6/10 1:10am build and erasing the ScriptsCache.package file.

http://www.mediafire.com/?nndriz4o2qo

It's in 7zip format, so lemme know if you need me to change it to zip or something.

I have one before it starts... just too far back. The Autosave was before I accepted the opportunity, so I have to keep trying to take the steps to aquire the event, so far no luck. The sims gets to level 1 Athletics, and then about 3 game hours later (9pm), I got the opportunity. Having problems recreating the bug because the game doesn't want to give me the opportunity D:

On the latest build, everything seemed to be working fine. Everything was functioning flawlessly for a couple hours. No nag on start, no crash on lot, and it wasn't randomly CTDing. Then my sim went swimming to finish an opportunity and, even though she had JUST started swimming (so exhaustion couldn't be to blame) and had more than half her energy still, tragically decided to end her life when I asked her to send in her progress report (on the opportunity).

Right as she was expiring, I noticed her need bars all just rapidly declined to nothing, except social, for some reason. The Opportinuty reward jingle (you know the one) also just kept repeating over and over until the game asked me to pick a new active household.

Anyway, AM is the only core mod I have installed, so I'll try and recreate it later tonight. If it is recreatable, would you want a copy of this save, too?