How to Take Full Permissions Control to Edit Protected Registry Keys

Learn how to take ownership of protected registry keys in Windows so you can edit them.

The Windows registry is a hassle to edit under normal circumstances, but sometimes you’ll encounter keys that are protected by the system. When you try to add or edit a protected registry key or import settings from a .reg file into a protected key, you’ll run into a few different errors. They say you lack permissions for making changes. However, since it is just a permissions issue, we can get around this by granting your user account in Windows the correct permissions. Read on to learn how.

How Do I Know the Registry Key is ?

When trying to create a new entry within a protected key you’ll an error like this:

When you try to edit a protected key, you’ll see an error like this:

When you run a ready-made .reg file to add, change, or delete a protected key, you’ll see an error like this:

Take Ownership of a Protected Key in the Registry

If you encounter the above errors, without a doubt, you’ve encountered a protected registry key. Normally these keys are only open to modification by the Windows system. But if you follow the steps below, you’ll be able to edit any registry key. Be careful with your new power, though.

The Registry Editor is a powerful tool that can render your system unstable or even inoperable if misused. This is a fairly simple change and if you follow our instructions, you shouldn’t have any problems. But make sure you back up the Registry and back up your computer before making changes.

You should also make a System Restore point before continuing so, if something goes wrong, you can always roll back.

Press Windows key + R to open the Run dialog box. Then, type: regedit into the Open box and click OK.

If the User Account Control dialog box displays, click Yes to continue. You may not see this dialog box, depending on your User Account Control settings.

Navigate to the registry key you want to take ownership of. You can enter the path to the key in the box just under the menu bar and press Enter to get to the key quickly.

Right-click on the key and select .

Click Advanced on the Permissions dialog box.

If your user account isn’t the current Owner, click the Change link.

Type your user name in the Enter the object name to select box and then click Check Names.

Your official user name is inserted into the Enter the object name to select box.

Click OK to accept the change.

Your name should display next to Owner.

If the current key has subkeys you want to take ownership of also, check the Replace owner on subcontainers and objects box.

Then, click Apply. Don’t close the dialog box yet.

After you change the owner of a registry key, you must change the key’s permissions before you can modify it. The next section describes how to do this.

Get Control Permissions to a Registry key

If the current key inherited permissions from its parent key, you’ll see a Disable inheritance button.

You must disable inheritance to remove any existing restrictions, so click the Disable inheritance button if it’s there.

To give yourself permission to edit the currently selected registry key, click Add.

On the Permission Entry dialog box, click the Select a principal link.

Then, type your user name in the Enter the object name to select box and click Check Names, like you did earlier.

Then, click OK.

Check the Full Control box under Basic permissions and click OK.

You’ll see your user name in the Permission entries list with Full Control listed in the Access column.

You can set the permissions for only the selected registry key, or you can set permissions on the subkeys also. To apply the same permissions to the selected registry key and down the keys hierarchy to all the the child subkeys, check the Replace all child object permissions with inheritable permissions from this object box.

Then, click OK.

Your user name is added to the Group or user names box. Click OK to close the Permissions dialog box.

Remove Permissions from a Registry Key

Once you make your change to the registry key, it’s a good idea to remove your permissions for the key.

Right-click on the key again, select Permissions, and select your user name in the Group or user names list on the Permissions dialog box.

Then, click Remove. Your user name is removed from the Group or user names list.

If you think you might have to adjust your permissions for this registry key again, you can uncheck the Full Control box under Allow in the Permissions box instead of removing your user name completely. Then, you can just return to the Permissions dialog box for the registry key and check the Full Control box under Allow again for your user name.

Click OK.

You Can Change Any Registry Key, But Be Careful

You should now be able to edit any of the entries within the registry key that you just modified permissions for. Don’t forget that if you want to maintain proper security protocol, after finishing you can go back in and remove your user name from the list of names with full control on the Permissions dialog box. And be very careful when you change anything in the registry.

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