Nevermind. My wife let me know that she figured it out. It was ezarmor attempting to download an update.
My wife called me today telling me that her system attempted an automated shutdown with a dialog box regarding autoshutdown.exe. She asked me if its possible for a virus to install itself without ever opening the email. She's NOT using the preview pane or auto-preview. I don't remember the version of Outlook.
Fortunately, we've got EzArmor from CA (free to RR users). Hopefully this can/has removed whatever it was that caused this.
I found some information on this file, but that was dated in 2003.
Has anyone heard of this happening before?