Windows 10: Changing the owner of C drive from administrator to TrustedInstaller

Earlier I have changed the owner to trusted installer but now whenever i install any software every time while opening it ask for administrator password and has a UAC shield. After the name of the owner also of C drive there is a UAC shield .When I am changing the owner to trusted installer then check on replace owner on subcontainers and objects a pop up showing this: and when I click yes it shows:what to do please help me.

:)

 

Changed the ownership of C:\windows on 2016 server from trustedinstaller to administrator and changed back

Hi Everyone,

Please help me with the following concern.

On my 2016 server i changed the ownership of C:\windows from Trustedinstaller to local administrator. I had also unknowingly selected the option to apply it to sub folders and files. Noticed it had changed ownnership on all the subfolders in C:\windows
to Administrator.

Post this i changed ownership back to Trustedinstaller, and no permissions were changed.

Now i see all folders in C:\windows , owner as Trustedinstaller. On another 2016 server i found that some subfolders have the ownership set to system in C:\windows.

Will the existing ownership of C:\windows and its subfolders to trustedinstaller cause any problem? If yes how do i reset the ownerships to defaults. There we no permissions changes done.

Thanks,

 

Can't edit permissions or add new users to C Drive. (FIXED, SOLUTION IN OP)

FIXED: Last ditched attempted at fixing this, thanks to Reddit. Saved me a lot of time instead of resetting PC

Step 1: On the drive with the issue (my case it was the C Drive), right click it and select properties. Under the security tab click Advanced, then at the top next to Owner change it to you (name/whatever your account is called), instead of TrustedInstaller.
Click Apply then OK.

Step 2: Exit out and fix the Administrator and User permissions by rechecking the boxes that you accidentally unchecked. Hit Apply then OK.

Step 3: Restoring TrustedInstaller as Owner (important step) follow guide: http://www.thewindowsclub.com/restore-trustedinstaller-as-owner-windows

Step 4: After restoring TrustedInstaller, hit Apply then OK.

Fixed.

Thanks all that helped, and good luck!

 

NT SERVICE/TrustedInstaller - Can't change owner/Error message

Yes, am logged in as administrator. This is what it shows, even after changing owner to TrustedInstaller.