Here’s a text that explains the concept of “Owner: TrustedInstaller” in Windows:
If you attempt to take ownership of a TrustedInstaller-owned file manually, Windows will warn you that doing so can reduce system stability and security. In normal operation, the ownership configuration should remain untouched — a digital sentinel ensuring that critical components are neither accidentally nor maliciously altered.
In short: TrustedInstaller is the silent guardian of Windows system integrity.