Ah yes, the "fix", sorry. I took the easy way out. Because I caught it so quickly (the next morning, first boot) I simply did a system restore to the night before, to just before the update. If system restore had not been available I'm not sure what I'd have done next. Tried an uninstall of the update for sure and then re-ran the mail1 and mail2 reg hacks which first made Windows mail functional in Windows 7. There had to be some reason Microsoft disabled Windows Mail in Windows 7. I have a hunch this "security update" was intended to cripple the hacked in versions so many people are useing.