Intéressant, quand on a un problème du type suivant :

Error mounting /dev/sd[...]
Metadata kept in Windows cache, refused to mount.
Failed to mount ‘/dev/sda5’: Operation not permitted
The NTFS partition is in an unsafe state. Please resume and shutdown
Windows fully (no hibernation or fast restarting), or mount the volume
read-only with the ‘ro’ mount option.

Lorsque l'on est en dual boot