On my computer (XP, not using portable release) Aurora sneakily and automatically exports black-box logs named "Y1,txt" "Y2,txt" etc to C://Logs/
Its usually best to ignore these since they contain full event log detail on every faction: player, NPR, and spoiler. However, in last resort cases such as your own they may be worth reviewing if you haven't already.
That's where I've been checking for what's happenning