I just noticed that all my NTFS non-OS drives and partitions gain additional security containers and parameters for each time I wipe my OS drive and re-install Windows. I think non-OS drives and partitions simply preserve user ID information from previous OS installs. I can easily remove them, but I don't know what the default permissions are supposed to be for non-OS drives. I assume non-OS partitons/drives normally default to: - Owner - "SYSTEM" - Full-Control Access for "Authenticated Users", "SYSTEM", "Administrators(*User*)" - Read, List & Execute Access for "Users" What is the point of such containers on non-encrypted drives? Anyone who can mount a non-encrypted partition can do whatever heart desires, regardless of container settings and permissions.