In Windows 2000 Service Pack 2 and in Windows XP, Microsoft has crippled the ability to disable Windows File Protection.
NOTE: See How do I disable WFP in Windows XP SP2?
NOTE: See How do I disable WFP in Windows 2000 SP4 and Windows XP SP1a?
If you wish to disable WFP:
Windows 2000 Service Pack 2
1. Copy %SystemRoot%\System32\SFC.DLL to %SystemRoot%\System32\SFC_Patch.DLL.2. Open %SystemRoot%\System32\SFC_Patch.DLL in a hex editor.
3. At offset 0x6211 and 0x6212, change 8BC6 to 9090 and save the changes.
4. Open a CMD prompt and type:
Copy %SystemRoot%\System32\SFC_Patch.DLL %SystemRoot%\System32\dllcache\SFC.DLL /Y
Copy %SystemRoot%\System32\SFC_Patch.DLL %SystemRoot%\System32\SFC.DLL /Y
5. If prompted to insert the Windows CD-ROM, press Cancel.
6. Shutdown and restart Windows 2000.
7. Set SFCDisable to 0xffffff9d.
8. Shutdown and restart Windows 2000.
NOTE: You could use the Recovery Console to perform the copy.
Windows XP
1. Copy %SystemRoot%\System32\SFC_OS.DLL to %SystemRoot%\System32\SFC_Patch.DLL.2. Open %SystemRoot%\System32\SFC_Patch.DLL in a hex editor.
3. At offset 0xE2B8 and 0xE2B9, change 8BC6 to 9090 and save the changes.
4. Open a CMD prompt and type:
Copy %SystemRoot%\System32\SFC_Patch.DLL %SystemRoot%\System32\dllcache\SFC_OS.DLL /Y
Copy %SystemRoot%\System32\SFC_Patch.DLL %SystemRoot%\System32\SFC_OS.DLL /Y
5. If prompted to insert the Windows CD-ROM, press Cancel.
6. Shutdown and restart Windows XP.
7. Set SFCDisable to 0xffffff9d.
8. Shutdown and restart Windows XP.
NOTE: You could use the Recovery Console to perform the copy.
