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Disable Access to Windows Registry | Here's how to do it.

How to Disable Access to Windows Registry

If you incorrectly edit any of the items in the Windows Registry it can cause all sorts of problems. So, if you share your PC with other people, you can prevent other users from accessing and editing the Registry.

When you share your PC with others, you can lock certain aspects of Windows. For example here, you can disable access to the Registry Editor, if you prefer that other people can't access it. Here's how:

One very important warning. Make sure you prevent access to only the users you want. And you should always leave at least one administrative account on your PC unlocked in access to the Registry. Otherwise, you may not be able to reverse this change.

Disable Access to Registry by Editing Registry

Before you start editing the Registry, you need to do the following two steps:
  * If the user account that you want to restrict access to the Registry is a standard account, you must temporarily change that account to administrator. And you have to change it back again after the change is made.

  * You must log in as the user who wants to make changes, and then edit the Registry while you are signed in with their account.

And if you have multiple users that you want to restrict access to the Registry, you have to repeat the two steps above for each user.

Once you have successfully signed in with the account you want to change, open the Registry Editor by hitting Start and typing “regedit.” Press Enter to open the Registry Editor and give it permission to make changes to your PC.

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In the Registry Editor, use the left sidebar to navigate to the following path:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

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Next, you need to create a new key in the “System” key. Right-click on the “System” key and select “New > DWORD (32-bit) value”. Name the new key as “DisableRegistryTools.”

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Next, double click the “DisableRegistryTools” key to open its properties window. Change the value from 0 to 1 in the “Value data” box and then click “OK.”

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Now you can exit Registry Editor. This change occurs immediately and you can test it by trying to open the Registry Editor again. At this point you should see an error message. After that, Log out of the user and log in again with the administrative account, then change the user account back to the standard account as before.

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If you want to reverse the changes, you'll need to log back into the account and make sure you've changed it as administrative. Then open Command Prompt with administrative privileges. At the prompt type the following command:
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /t Reg_dword /v DisableRegistryTools /f /d 0

This command will change the value of DisableRegistryTools from 1 back to 0.

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