I've installed Hazard's SL, everything is working fine, enabled NTFS Read/Write using this method, but somethimes, I don't know how and why, my data on some of NTFS partitions just dissappears. I can see that there is used space, but there are no files or folders. What I do to get those, is to restart and boot Windows, which while is booting, does a chkdisk which recovers all the data, and when I get back to Mac, everything is there, but after some time, all dissappears again.

Anyone know how to fix the problem?

And one more thing, how to get rid of those orange Disk icons?

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MSI 945PL Neo-F (2DIMMs)
Intel P4 3.06 GHz 1Mb L2
Gainward GeForce nVidia 7600GS 256Mb 128Bit
2 Gb Kingston DDR2 + 512Mb TwinMOS DDR2
Maxtor 160Gb => Mac OSX Snow Leopard 10.6.8 by Hazard
WDC 320Gb => Windows XP SP3
Realtek AC'97 Audio on board
USB Creative SB Connect with Logitech Z-5500

The method to which you've linked is known to be very dangerous; there are a lot of problem reports, such as yours, from people who've tried this method. The best advice is to not use it. If you need read/write NTFS support, you should instead buy Paragon's NTFS driver or use the open source NTFS-3g product.

What should I use from the options below

This one selected is windows volume

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MSI 945PL Neo-F (2DIMMs)
Intel P4 3.06 GHz 1Mb L2
Gainward GeForce nVidia 7600GS 256Mb 128Bit
2 Gb Kingston DDR2 + 512Mb TwinMOS DDR2
Maxtor 160Gb => Mac OSX Snow Leopard 10.6.8 by Hazard
WDC 320Gb => Windows XP SP3
Realtek AC'97 Audio on board
USB Creative SB Connect with Logitech Z-5500