http://bugs.winehq.org/show_bug.cgi?id=17776
--- Comment #14 from Ben Anderson roothorick@new.rr.com 2009-12-19 14:05:38 --- You found something. If I mount my NTFS partition like this:
mount -t ntfs-3g -o uid=1000,gid=100 /dev/sda4 /mnt/local
Then 12 Sky installs successfully. So at least, we have a workaround.