as HTC said "...BCDW v2 patches the setupldr.bin "on-the-fly"..." Here the directory tree: root |-BCDW |-BLUE |-SYSTEM32 |-HOME |-DOCS |-DOTNETFX |-I386 |-SYSTEM32 |-SUPPORT |-VALUEADD |-PROF |- (the same as HOME) |-VLPK |-$OEM$ |-$$ \ |-$1 (here by your own ideas) |-$Docs / |-$Progs / |- (rest the same as HOME) |-WIN51 |-WIN51IC |-WIN51IP |-WIN51IC.SP2 |-WIN51IP.SP2 excerpt from BCDW.INI: [InitOptions] [MenuItems] C:\ ; Boot from drive C: A:\ ; Boot from drive A: \VLPK\setupldr.bin; Windows XP SP2 Pro VLPK \VLPK\setupld1.bin; Windows XP SP2 Pro VLPK unattended \PROF\setupldr.bin; Windows XP SP2 Professional OEM \HOME\setupldr.bin; Windows XP SP2 Home Edition OEM \BLUE\setupldr.bin; Windows XP Command Prompt (BlueCon) the only thing I've pached was copy of setupldr.bin in VLPK (setupld1.bin) where I changed winnt.sif to winn1.sif (for unattended setup from CD). In other setups you can use the answer file winnt.sif by supplying it on A: Hello! I need some help. I have done just like you have but when I try to start one of the XP installations the computer just reboots itself. I'm using Virtual PC 2007 to test the Boot DVD. What can be wrong?