You Need Permission From Trustedinstaller |work| · Exclusive & Extended

Or via Security → Advanced → Change owner → Type NT SERVICE\TrustedInstaller → OK.

Its primary purpose is to act as a security layer. Even if you are an Administrator, TrustedInstaller prevents you (or malicious software) from accidentally deleting or corrupting files essential to your computer’s stability. Because it has higher privileges than a standard Admin account, you must manually "take ownership" to bypass its protection. Method 1: Using File Explorer (Recommended) you need permission from trustedinstaller

TrustedInstaller is a built-in service account—technically known as the Windows Modules Installer service—that owns many critical system files, including those in the C:\Windows and C:\Program Files directories. Or via Security → Advanced → Change owner

Command Prompt as Administrator and use these commands (replace "FOLDER_PATH" with your actual path): Take Ownership: takeown /F "FOLDER_PATH" /R /A Grant Permissions: icacls "FOLDER_PATH" /grant Administrators:F /T Important Warnings System Stability: Deleting or modifying core files can lead to system crashes or prevent Windows from booting. Security Risk: Removing these protections can make your system more vulnerable to malware that targets system-level files. Restoring Ownership: If you only needed temporary access, it is recommended to change the owner back to Because it has higher privileges than a standard