takeown /f "C:\Windows\System32\example.dll" icacls "C:\Windows\System32\example.dll" /grant Administrators:F For folders:
Via :
Here’s a straightforward guide to in Windows 11: what it is, why it exists, and how to safely take ownership when needed. 1. What is TrustedInstaller? TrustedInstaller (formally NT SERVICE\TrustedInstaller ) is a built-in Windows security principal. It owns critical system files (e.g., in C:\Windows\WinSxS , C:\Windows\System32 ). Its job: prevent users (even admins) from accidentally modifying or deleting OS files that could break Windows. trusted installer windows 11
takeown /f "C:\Windows\System32\examplefolder" /r /d y icacls "C:\Windows\System32\examplefolder" /grant Administrators:F /t Some people add “Take Ownership” to the right-click menu via registry script. Not recommended for casual users, but convenient if you do this often. 4. How to restore TrustedInstaller as owner After your task is done, revert ownership for security. takeown /f "C:\Windows\System32\example
