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Unlocker - Delete intractable files

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You would have to disable SR in registry, but that renders the whole XP stability concept worthless.

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It's actually System File Checker (SFC) you have to disable which is part of Windows File Protection (WFP) and not System Restore (SR) which is unrelated and it depends on what version of Windows XP you have as only Windows XP with no service packs aka Build 2600 is registry hack. Service Pack 1 and newer requires way more than that.

Registry Settings

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

Windows XP

Change the value of "SFCDisable" to equal "ffffff9d" to disable WFS or "0" to enable it. The other valid hexadecimal values are:

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

Restart Windows for the change to take effect.

Windows XP (Service Pack 1)

Make a backup the SFC_OS.DLL in the C:\WINDOWS\SYSTEM32 directory.

Make an additional copy of SFC_OS.DLL called SFC_OS1.DLL and open it in a hex editor.

Windows XP (Service Pack 1)

At offset 0000E3BB (0E3BBh) you should find the values "8B" and "C6".

Do not continue if you are unable to find these values.

Change the values "8B C6" to read "90 90" and save the changes.

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

If you are prompted to insert the Windows CD, click Cancel.

Restart Windows for the change to take effect.

Once these files have been updated apply the registry setting above.

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  • 1 month later...

Updated topic with new version.

Unlocker 1.8.2 - 29/04/2006

- Fixed bug: Unlocker Assistant closed or potentially crashed explorer on W2K SP4.

- Fixed language: Japanese had more character corruptions.

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Unlocker 1.83 2006-05-06

# Change Log

Unlocker 1.8.3 - 06/05/2006

- New feature: Unlocker Assistant icon can be hidden from the notification area.

- Improved UI: Better error message in case there is a conflict with Unlocker Assistant.

- Fixed bug: UNC and network paths should now work as intended.

- Fixed bug: Strong delete works again. This bug appeared in version 1.7.7. Index.dat and many more should be deleted without rebooting as before now.

- Fixed bug: Unlocker Assistant will detect if it is already running and will only run one instance.

- Fixed bug: Unlocker Assistant will detect if there a program conflicting and properly exit


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Unlocker 1.8.4 - August 24, 2006

- New language: Belarusian thanks to Aleg Azarousky

- New feature: Access to Delete / Rename / Move options from command line

- Improved behavior: Power users do not need rights to modify registry anymore to run Unlocker as long as Unlocker was installed by an administrator on the machine

- Fixed bug: Renaming now works again.

- Fixed bug: Renaming and Moving on boot now work again.

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Unlocker 1.8.5 - September 07, 2006

- New feature: Copy locked file. There is a new drop entry in the drop down menu which allows you to copy a file which has a handle opened. Very useful to copy .ncb files opened by Visual Studio for example.

- Improved UI: Unlocker Assistant is now multilanguage. Thanks to RDPK7 (Bulgarian), Jiun-Liang Lin (Chinese traditional), Toma Bendasek (Czech), Hoder Balder Marcus Jensen (Danish), Raphael Fetzer (German), Javier L. (Spanish), Tuukka Rantala (Finnish), Ilya Dan (Hebrew), DirektX (Hungarian), Marco D'Amato (Italian), Catbaron (Japanese), Dae-Seok Kim and Kim JaeGeun (Korean), Tommy Skaue (Norwegian), Marcin Wawer (Polish), Rhadoo (Romanian), Dmitry Yerokhin (Russian), Emperror (Slovak), Egzon Beqa (Albanian), Pruthisith Prateepavanich (Thai), Aleg Azarousky (Belarusian), Aleksander 'Quattro' Hropot (Slovenian), Igor Gubaidulin (Lithuanian), Ozzii (Serbian), Adis Imamovich (Bosnian), Mihkel Tonnov (Estonian), Oleksandr 'FLAGER' Sokolnik (Ukrainian)

- Fixed bug: Denied access issue when selecting several files.

- Fixed UI: Fixed many languages problems.

This is the good version, I released a wrong version earlier today without Estonian and Ukrainian.

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  • 4 years later...

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