Do you have a dual-boot system with Windows XP? Windows XP does not understand multiple restore points and it silently deletes them whenever it mounts a volume that contains them.
Thanks for responding. No, I don't think I do. Although I have Windows 7 Ultimate, I haven't used the XP format. But...maybe I have and did not know it. I would have thought that I would have been aware of this "dual-boot system", of which I have not been made aware. I do understand that XP is a part of Win 7 Ultimate. I just did not know how XP would manifest itself. I was not aware that it was active. thx Jim