Windows 8 and 8.1 Forums

Windows 8 wants Admin rights, but I AM an admin

  1. #11

    Personally, I could not see any advantage, or use, of taking ownership of, for example, system files, unless you have a deeper knowledge of exactly how such file are used in the OS
    The principal thing advantage of taking ownership is that it will then allow you to modify permissions on that particular file(S), It is possible to take ownership but still not have access to it. You then need to know how to change permissions- a quite different issue.
    If, for example, you have a dual boot setup, the subsequent changing of the permissions could, without care, make the file non accessible in the alternative boot.

      My System SpecsSystem Spec

  2. #12

    Posts : 5
    Windows 8 64-bit

    ...Maybe I should just install Windows 7 64-bit Ultimate and remove Windows 8 64-bit?

    I use my computer for gaming, if that means anything.
      My System SpecsSystem Spec

  3. #13

    Posts : 328
    Windows 8.1 (x64)

    Point me to an article please. I am the only user.It's my computer.I should have complete ownership to begin with.Like I said, I "own" almost all things & have had no problems.What bad things happen if you own everything ?I'm not arguing here.Just looking for enlightenment.
    It's standard security practice, nothing more, nothing less. Anything essential to the system must be protected somehow, giving limited access to them is common sense.

    It prevents exploits : if some file is read-only for users, any attempt to modify it will first need root access which is no mean feat. If your PC is connected to a network/internet, then it's a must. You might be the only user locally, but if you have access to Internet it doesn't mean much.

    It also prevents "accidents"... Ever moved a folder by mistake in explorer ? If you have full ownership you won't get any warning, and if the folder was a system one you could end up ****ed up, possibly without even noticing why.

    Another reason : Some programs assume that some files have the default authorizations/permissions. This includes MS update but also most security software. For example here is an excerpt from Mc Afee Virus Scan Best Pratices

    Configuring on-access scanning of trusted installers
    The Microsoft Windows Trusted Installer, or TrustedInstaller service, protects certain systemfiles from being replaced, changed, or deleted. This protects these files from threats that wouldinstall a rootkit or other malware on the system. These "Trusted installer" files are very difficultfor malware to change and should not require on-access scanning.
    The on-access scan trusted installer setting is disabled by default with VirusScan Enterprise 8.8.This allows the installation of trusted software without on-access scanning, which improvesperformance. This is specifically true for service pack installations for Microsoft Windows.
    For security reasons, you could enable this feature so all files being installed by the trustedinstaller are also being scanned, but this increase the installation time and reduces the overallsystem performance.
    And here is a thread on these forums illustrating possible problems :Problems after taking ownership of Windows folder - Page 2 - Windows 7 Help Forums
    Last edited by oneeyed; 10 Jul 2014 at 20:42.
      My System SpecsSystem Spec

  4. #14

    San Jose - California
    Posts : 2,846
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64

    In addition to what DaveC stated above, sometimes you copy files from another PC and your Username is not on the list, you might have permission problem.

    If you have a need to take ownership of System Files, You should use icacls (new in Windows 8) or cacls (now deprecated in Windows 8 but still available) has the option to save the permission information so you can restore back to the original owner. There are different levels of ownership on system files, some owned by "SYSTEM", some owned by "TrustedInstaller".

    An example: From Admin command prompt, if you type icacls C:\Windows then you can see C:\Windows folder is owned and has Full control by "TrustedInstaller". Administrator only has Modified Access.

    Another example: In this post, OP has a corrupted "Volume System Information" folder and nothing he can do to fix the problem even he is Admin: System Volume Information folder occupied 100 gb

    @Painkiller: Your problem is one isolated case, and we don't know what you have done before so I suggest to reinstall Windows 8. Games run better on Windows 8, just don't move things around without knowing exactly what they do.
      My System SpecsSystem Spec

  5. #15

    Posts : 1,338
    Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)

    Backup HDD/SSD Image

    Quote Originally Posted by topgundcp View Post
    If you have a need to take ownership of System Files, You should use icacls (new in Windows 8) or cacls (now deprecated in Windows 8 but still available) has the option to save the permission information so you can restore back to the original owner. There are different levels of ownership on system files, some owned by "SYSTEM", some owned by "TrustedInstaller".
    Windows 7 has icacls too (mine does).

    Make sure that you create a backup HDD/SSD image before experimenting.

    Experiment on a folder that is not crucial to your system first (i.e. create a new folder with some sub-folders).

    When I was playing around with the Windows 7 Betas, I could not get it to work "as advertised".
    I created a backup of the Windows folder and sub-folders and then modified the permissions/ownership.

    When I tried to restore the permissions, it skipped most of the directories (i.e. most of the directories still had the modified permissions/ownership).
      My System SpecsSystem Spec

  6. #16

    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center

    Thanks for your input, all.
      My System SpecsSystem Spec

  7. #17

    Posts : 5
    Windows 8 64-bit

    Well, can I install Windows 8 64-bit Pro/Enterprise on this same hard drive without losing anything important not related to Windows?
      My System SpecsSystem Spec

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