Vista comes with it's own backup feature. Live OneCare only provides an ease of access to the very same backup. Check the link below:
You can use other maker's s/w if you like, such as Acornis or Ghost to include freebies, just google or checkout the CNET download files area.
Now that Windows Live OneCare has gone, what can I use in its place to do automatic backups? For some reason I cannot use Windows Vista Home Premium to do this.