See my answer to your second post.

"justkay" <justkay@discussions.microsoft.com> wrote in message
news:B5185BA8-62DA-4E85-9B03-3565582D0EED@microsoft.com...
> If I make a change to the registry and find I must undo it, couldn't I
> use a
> system restore point rather than restoring from a system state backup?
> I understand that restore points capture the registry & they are so easy
> to
> use.