You can use the takeown and icacls commands to quickly strip TrustedInstaller's ownership. Open as an administrator. To take ownership: takeown /f "path_to_file"
To wrap up, here is the definitive for dealing with TrustedInstaller. trusted installer windows 11 best
(formally the Windows Modules Installer service) is not a user account but a security principal —a built-in operating system component with exclusive ownership and permissions over critical Windows system files. Introduced in Windows Vista and refined through Windows 11, it is the ultimate gatekeeper for: You can use the takeown and icacls commands
In a standard scenario, the Administrators group is the owner of system files. However, in Windows 11, core system files (e.g., files within C:\Windows\System32 ) are owned by TrustedInstaller . in Windows 11