I'd have to know what updates are pending and if there are security softwares such as Norton, Spybot or others installed.
Also we saw this with malware or registry cleaners as both do odd damage. In my opinion you waited too long for System Restore to be an option so let's pop the hood and hear more about this.
Since the beginning of August my Win 7 system installs updates at shutdown and then at the beginning of the next bootup, it tries to configure the updates and fails. I'm pretty sure it's the same updates. How can I find out what updates these are and stop this from happening? My Win 7 is 32 bit.