In fact i have a completely and extremely modified ans silent winxp CD, my own CD (all manual, not nlite product). But, i want extract all modifications for have my own silent "pack" and when i install my "NikPack" , all the modifications of my cd will apply on the system where it will be launched. The goal i want is after i install my pack, the clean winxp sp2 system (a maiden system, not install with my cd) have all the modifications is on my cd. I success all the modification in my pack that i've made on my CD, except for this 3 files. I just want a method to patch this 3 system files (1 global method, or 3methods, i dont care), silent method of course, for integrate it on my NikPack.