I tried a procedure found on the internet: created a folder called XPCD created folder called $OEM$ in C:XPCD copied XP installation CD in it. copied winnt.sif file created image ISO with CDIMAGE PRO Burned it with Nero (Boot CD) with NoEmulation But it does not work, i cannot see files in the CD but if i right click - properties i can see 458Mb on it. the CD is a RW, and i did not closed it. Could this be the reason? thanks!!