How to restore the registry without backup on Windows 10

Publish date: 2024-06-14
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    • The Windows Registry has low-level settings that run your entire system. When you edit values or keys in the Registry, you risk breaking the operating system. If this happens, your only option is to restore Windows 10 Registry without backup.

    You have to carry out the restoration without backup because Windows 10 stopped backing up the system registry automatically since version 1803. You’d notice that the system32regback folder is empty.

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  • Press the Windows key + I combination to open Settings.
  • Select Update & Security.
  • Click on Recovery.
  • Select Restart under Advanced startup.
  • Select Troubleshoot after the machine reboots.
  • Click on Advanced options.
  • Choose Command Prompt. Type in the following commands and hit Enter.
  • In Command Prompt, enter your Windows drive letter. Here, we enter:
    d:
  • Confirm that you’re in the right drive:
    dir
  • If the letter you entered in step 8 was incorrect, return to this step and correct it.
  • Go to the System32 folder:
    cd d:windowssystem32

    NOTE: Change the d in the path above to the right drive letter from step 9.

  • Create a backup folder called configBak:
    mkdir configBak
  • Back up the config folder:
    copy config configBak
  • Enter the RegBack folder:
    cd configRegBack
  • Confirm the content of the RegBack folder:
    dir
  • Copy the data RegBack to config:
    copy *...*
  • Confirm every operation by pressing Y and Enter.
  • Close the Command Prompt window.

    • On closing Command Prompt, your machine will restart and generate a backup.

    Read more about this topic
  • Click on the Start Menu button.
  • Search for Task Scheduler and click the result to open it.
  • Go to this path:
    Task Scheduler Library > Microsoft > Windows > Registry
  • Right-click on RegIdleBackup and select Run.

    • This procedure triggers the task to run and back up the Windows 10 registry. It overwrites any older backups in the RegBack folder.

    Bonus: How to restore default permissions in the Windows 10 registry?

  • In order to modify the permission at the registry level, open the Run menu and type in: regedit.exe
  • This command will open the Registry Editor, where you need to look in the left pane and identify the problematic key.
  • Once that’s done, right-click on it to open its Permissions.
  • Now, go to Advanced -> Creator Owner and press the Disable inheritance button.
  • Finally, select Remove all inherited permissions from this object and Save.
  • Now, the next step is to get rid of the Creator Owner for good. To do this, return to the Permissions window and click Remove.
  • In order to complete the procedure you need to add another owner, so simply press the Add button and fill in the fields with your own details.
  • Make sure your select Full Control in the Access column and repeat these steps for all authenticated users.

    • Alternatively, you can use SubInACL. This tool was designed by Microsoft for these specific situations.

    However, note that Microsoft retired it from the official downloader page (as it turned obsolete) and you will only be able to find it through dedicated archive pages such as this one.

    After performing these operations, you would have learned how to restore Windows 10 Registry without backups.

    This guide also shows you how to enable the backing up of the Windows 10 registry. If you were not able to restore the Windows 10 registry using these solutions, let us know with a comment below.

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