For patching, i used your post: -Disable error messages in Setupapi.log and pop-up driver install dialogs with patched syssetup.dll..... and -Disable Syssetup.inf protect and -Disable OOBE i rename setupapi.dll to setupapi.dl_ no cabing. what exactly does Disable SFC files scan in T-8 mean? FDV tells in his article of disabling SFC per: ; these two keys control whether WFP is on or off. ; Simply use an invalid path like Z:\ to shut WFP off.; these keys do NOT exist by default.HKLM,"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon","SFCDllCacheDir",,"z:"HKLM,"SOFTWARE\Policies\Microsoft\Windows NT\Windows File Protection","SFCDllCacheDir",,"z:" or to use an empty SFCFiles.dll. FDV modified his layout.inf and i use his files: http://www.vorck.com/windows/xpsp4.html Yes IE is needed by many applications, but i wanted to try it once without it.