melz@satellite:~$ truecrypt /home/melz/wtf [/media/x] Enter melz's or root's system password: Enter password for '/home/melz/wtf': $LogFile indicates unclean shutdown (0, 0) Failed to mount '/dev/mapper/truecrypt0': Operation not supported Mount is denied because NTFS is marked to be in use. Choose one action: Choice 1: If you have Windows then disconnect the external devices by clicking on the 'Safely Remove Hardware' icon in the Windows taskbar then shutdown Windows cleanly. Choice 2: If you don't have Windows then you can use the 'force' option for your own responsibility. For example type on the command line: mount -t ntfs-3g /dev/mapper/truecrypt0 [/media/x] -o force Or add the option to the relevant row in the /etc/fstab file: /dev/mapper/truecrypt0 [/media/x] ntfs-3g defaults,force 0 0 Mount failed