Windows XP
1.Make a backup the SFC_OS.DLL in the C:\WINDOWS\SYSTEM32 directory.
2.Make an additional copy of SFC_OS.DLL called SFC_OS1.DLL and open it in a hex editor.
3.Windows XP (no Service Pack)
At offset 0000E2B8 (0E2B8h) you should find the values "8B" and "C6".
Windows XP (Service Pack 1)
At offset 0000E3BB (0E3BBh) you should find the values "8B" and "C6".
4.Do not continue if you are unable to find these values.
5.Change the values "8B C6" to read "90 90" and save the changes.
6.Run these commands to update the system files:
copy c:\windows\system32\sfc_os1.dll c:\windows\system32\sfc_os.dll /y
copy c:\windows\system32\sfc_os1.dll c:\windows\system32\dllcache\sfc_os.dll /y
7.If you are prompted to insert the Windows CD, click Cancel.
8.Restart Windows for the change to take effect.
Once these files have been updated apply the registry setting below.
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Value Name: SFCDisable
Data Type: REG_DWORD (DWORD Value)
Value Data: 0 = enabled (default), ffffff9d = disabled
•0 - default
•1 - disabled, prompt at boot to re-enable
•2 - disabled at next boot only, no prompt to re-enable
•4 - enabled, with popups disabled
•ffffff9d - for completely disabled
Turn off XP SFC
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