I have a fresh installation of Ubuntu (64-bit). And now I have realized that I am unable to mount any partition of my secondary hard drive. I'm getting this error:

Error mounting /dev/sdb2 at /media/klemen/Local Disc:  

  Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sdb2" "/media/klemen/Local Disc"'  

  exited with non-zero exit status 14: The disk contains an unclean file system (0, 0).  

Metadata kept in Windows cache, refused to mount.

Failed to mount '/dev/sdb2': 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

I need to mention that I was able to navigate in those partitions right after the Ubuntu installation and now, after 2 hours I am unable to mount them again. So obviously it is my fault. But the only potential harmful installation that I did was installing the AMD Catalyst driver.