The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only Windows is hibernated, refused to mount. The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Falling back to read-only mount because the NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting.) Could not mount read-write, trying read-only mount: mounting /cow on /root/cow failed: No such file or directory passwd: password expiry information changed. dbus-daemon[1397]: [session uid=999 pid=1397] Activating service name='org.gtk.vfs.Daemon' requested by ':1.0' (uid=999 pid=1398 comm="" label="unconfined") dbus-daemon[1397]: [session uid=999 pid=1397] Successfully activated service 'org.gtk.vfs.Daemon' dbus-daemon[1397]: [session uid=999 pid=1397] Activating service name='org.gtk.vfs.Metadata' requested by ':1.0' (uid=999 pid=1398 comm="" label="unconfined") fuse: device not found, try 'modprobe fuse' first dbus-daemon[1397]: [session uid=999 pid=1397] Successfully activated service 'org.gtk.vfs.Metadata' A connection to the bus can't be made Using CD-ROM mount point /cdrom/ Identifying... [73607cb4813743bdf1ff0590a80da437-2] Scanning disc for index files... Found 2 package indexes, 0 source indexes, 0 translation indexes and 1 signatures Found label 'Ubuntu 20.04 LTS _Focal Fossa_ - Release amd64 (20200423)' This disc is called: 'Ubuntu 20.04 LTS _Focal Fossa_ - Release amd64 (20200423)' Copying package lists...gpgv: Signature made Thu Apr 23 07:51:19 2020 UTC gpgv: using RSA key D94AA3F0EFE21092 gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key (2012) " Reading Package Indexes... 0% Reading Package Indexes... Done Writing new source list Source list entries for this disc are: deb cdrom:[Ubuntu 20.04 LTS _Focal Fossa_ - Release amd64 (20200423)]/ focal main restricted Repeat this process for the rest of the CDs in your set.