Update... Trying with only Nlite REG tweaks i have not problem ! I mean: Options, Tweaks and Bootable ISO selected + Sp2 winXp Iso + my Winnt.sif, hivest.inf, txtsetup.sif (for sata driver) and $OEM$ folder with some hotfixes, net 1.1 and 2 and winrar 3.51. Edited with UltraISO ant tested on VmWare 5.5.1. Now i will try removing only languages... i need to save spaces... because so my ISO is 800 mb..