Windows 10: NT SERVICE\TrustedInstaller is missing

TrustedInstaller is missing when i try to give TrustedInstaller back the ownership of WindowsApps Folder in program files.

What I did:

1. I gave myself the ownership of WindowsApps folder in program files through its advanced security settings.

2. Then after I had done what I wanted to do (copy a folder of an application) I tried giving TrustedInstaller back its ownership.3
3. But windows said "An object with the following name cannot be found "NT SERVICE\TrustedInstaller". Check the selected object types and locations for accuracy and ensure that you have typed the object's name correctly, or remove this object from the selection.

4. So what I did is I removed TrustedInstaller from the permissions entries group and it removed it but a new Principal appeared namely - S-1-15-3-1024-3635283841-2530182609-996808640-1887759898-3848208603-3313616867-983405619-2501854204.f

5. I tried doing step 2 again but it still didn't work.

6. In the end, I tried to look if I had unknowningly removed TrustedInstaller. For this, I went over to System32 and viewed it's advanced security settings. TrustedInstaller was the Owner.


My Question :

Why is windows saying it is TrustedInstaller is missing when System32 has the owner TrustedInstaller?

How do I make TrustedInstaller the owner of WindowsApps again?


My Windows :

Windows 10 (Creator Update)

:)

 

Restore WindowsApps permissionss to TrustedInstaller

Initially I got the same error that said “NTService\TrustedInstaller is not from a domain listed in the Select Location dialog box, and is therefore not valid.”

My problem was the lack of a space in "NT Service\TrustedInstaller."

I got this solution from a post by Sergey Tkachenko at https://winaero.com/blog/how-to-restore-the-trustedinstaller-ownership-in-windows-10/#comment-22087

 

Restore WindowsApps permissionss to TrustedInstaller

My problem was the lack of a space in "NT Service\TrustedInstaller." (see my comment to SaskoPetrov)

 

TrustedInstaller, Windows 10, winSAT

Hi Ron,


To help resolve your concern, you have to first take ownership of the files or folders and then grant yourself full
control permissions and rights. To do so, follow the steps on this link:

• 
  Open
  File Explorer
  and then locate the file or folder you want to take ownership of.
  
• 
  Right-click the file or folder, click
  Properties and then select
  Security
  tab.
  
• 
  Click the
  Advanced
  button and the
  Advanced Security Settings
  window will appear. You need to change the Owner of the key. Click the
  Change link
  next to the "Owner:" label
  
  
• 
  The
  Select User or Group window will appear. Type "NT Service\TrustedInstaller"
  as the new owner name.
  
• 
  Click
  OK to change the ownership and you are done.
  

Let us know how it goes.