Hi, I'm having the same issue as foxygator:

When I install AM I get the bad core mod warning on launch
All old copies off AM have been deleted and I've deleted the scriptcache.package file.

I've tried all three mirrors and tried it with and without aweconf but I'm still at square one!
Any help would be appreciated as this game is impossible to play without the awesomemod!

EDIT: Also worth noting that I have done a clean install of the sims 3 and all the exp packs I have.