Can't mount one partition of my HDD

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http://forums.fedoraforum.org – Hey users, I'm new to Fedora. I've formatted my OS HDD and installed Fedora, it was pretty easy. Only thing I don't understand: I've got another HDD with 2 partitions, one with movies and one with documents, music, etc.! When I try to open the second partition, I have to enter the root password (can I disable that anyhow?), when I try to open the first one I get an error message: Code: Error mounting /dev/sda2 at /run/media/user/part1: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda2" " (HowTos)