I used this tutorial to install Backtrack 2 on my HDD with Windows XP Pro (SP2):
hxxp://xxx.offensive-security.com/movies/dualboot/dualboot.html

I use a Windows XP Professional System with 2 Partitions C: & D: (and SP2)

when I will start qtpartet came this:

bt ~ # mount
tmpfs on / type tmpfs (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
usbfs on /proc/bus/usb type usbfs (rw,devgid=10,devmode=0666)
bt ~ # qtparted
Warning: Unable to open /dev/hdb read-write (Read-only file system). /dev/hdb has been opened read-only.
No Implementation: Support for opening ntfs file systems is not implemented yet.
Error: Could not detect file system.
No Implementation: Support for opening ntfs file systems is not implemented yet.
Segmentation fault
bt ~ #

what make I wrong?

Please help me