i donot want ryan coz it modify the files i already modified and tried integrate it with clean win xp sp2 and modify again files i want it tell me while copying files missing files not found so i donot want ryan tht's all . ALL WHAT I WANT A LIST OF THE MOST IMPORTANT HOTFIXEs for WIN XP sp2 and thanks ponch for ur reply and for ur reply bt i want to integrate them by svcpack HOPE JUST TELL ME ABOUT LIST OF THE MOST IMPORTANT HOTFIXES