How To Revert System Permissions to Default After Locking Myself Out?

Copper Contributor
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I tried to delete a file by taking ownership & got carried away with all the settings. Now it seems I’m locked out of my own drive & my system doesn’t operate properly, i can’t manage my screen brightness, download apps, uninstall apps, & only a handful of settings working currently. I have went through a dozen restarts hoping it will go back to normal & nothing. So how do i restore the system permissions & ownership settings?
5 Replies

Run a disk check to identify and repair potential errors on the drive. Open Command Prompt as an administrator.

Type chkdsk C: /f /r and press Enter.

You may need to schedule the disk check for the next restart if the drive is in use.

Bit hard though, maybe, if you can’t access anything. Use the reg file in the tutorial if at all possible, Adrian.

Someone here will probably know a command you can run before boot or something.
Please reboot the computer and see if it works. This trick does work for my USB drive when I received the same error.

Bit hard though, maybe, if you can’t access anything. Use the reg file in the tutorial if at all possible, Adrian.

Someone here will probably know a command you can run before boot or something.

It didn't works for my win 11, what's happened?