Although CDS is a solution for recovering from a malware attack, the idea of using a virtual drive to persist files makes me feel uncomfortable because my mom uses the computer to write reports, and because CDS is about to be incorporated into CIS as Comodo Time Machine (CTM), she would lose all the changes she made to her documents because she would not be accustomed to saving her stuff in the virtual drive. She saves her stuff in a subfolder of the C drive. It would really freak her out. Also, when you use Outlook Express or another email software to check your email, the files related to the email are written to the C drive. CDS (to be CTM) would erase the new emails because they are not being written to the virtual drive.