Problems to burn longhorn bootdisk

[Kadounet]

Hi all

I have downloaded a big .rar with everything in.

In this one i have a boot folder, with a bootfix.bin.

I cannot burn an bootable iso under virtual pc

I have try with bootfix.bin, with windows xp boot sector, and nero without emulation, 4 sector loaded

If someone took same archive than me, could u explain to me how to burn bootdisk with this ?

(PS : sorry for my english, it's not my first language :/)

Thx a lot for yours answers

[umpire]

are you trying to burn a CD or DVD ? (Longhorn wont fit on cd)