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How to Restore TrustedInstaller Permissions on Windows 10

When working with Windows, sometimes you accidentally remove the TrustedInstaller account from the owner list and make system changes. 

Restore Permissions for TrustedInstaller on Windows 10

Step 1: Navigate to the file/folder you want to restore permissions to TrustedInstaller.

Step 2: Right click on the folder, select Properties  => Security tab  => Advanced .

Step 3: In the Advanced Security Settings window, click Change next to the current owner's name.

Step 4: Next, you will select the user account/group you want to set as the owner for the folder.

Enter the following line in the Enter the object name to select section: NT ServiceTrustedInstaller

Then click Check Names.

Step 5: The system will validate the TrustedInstaller account. Click OK and Apply to save the changes.

Step 6: The result is that the owner of the file/folder has been restored to TrustedInstaller.

Above, TipsMake has guided you how to restore ownership rights for TrustedInstaller. This trick helps you return your computer to its original state if there is an error when editing the system. Repeat the above steps for each file or folder you want to restore rights for TrustedInstaller.

This trick applies when updating to Windows 10 Anniversary, an upgraded version with many improvements and bug fixes. If you haven't updated yet, you should do it now, because this version is highly appreciated by users.

Update 01 April 2025