Disable/remove Smartscreen Solved

  1.    26 Dec 2017 #1

    Disable/remove Smartscreen

    v1709.16299.125; How do I completely disable Smartscreen?
      My ComputerSystem Spec

  2. Brink's Avatar
    Posts : 35,296
    64-bit Windows 10 Pro build 18317
       26 Dec 2017 #2
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  3. TairikuOkami's Avatar
    Posts : 3,572
    Home 1809 x64 10.0.17763.288
       27 Dec 2017 #3

    Windows Defender is useless without smartscreen, so disable it only if you are using another AV.

    kludge said: View Post
    v1709.16299.125; How do I completely disable Smartscreen?
    To get rid of the process, you can remove it or rename it. To restore it, run SFC scan.
    takeown /f "%WinDir%\System32\smartscreen.exe" /a
    icacls "%WinDir%\System32\smartscreen.exe" /grant:r Administrators:F /c
    taskkill /im smartscreen.exe /f
    del "%WinDir%\System32\smartscreen.exe" /s /f /q
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  4.    06 Jan 2018 #4

    Of course! Warning, don't try this at home!

    The website told me about the Tutorials when I posted and they solved the issue.
    Thanks for the response!

    If Windows Defender was truly useless then it would not flag the Eicar Test File while SmartScreen is disabled. Finding the test file proves Windows Defender is working and not as useless as lead to believe.

    Thanks for the script and taking the time to respond!
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  5. Brink's Avatar
    Posts : 35,296
    64-bit Windows 10 Pro build 18317
       06 Jan 2018 #5

    I'm glad we were able to help. :)
      My ComputersSystem Spec

  6.    01 Aug 2018 #6

    Thanks to @TairikuOkami for his solution but sometime since then smartscreen.exe reappeared.
    I want to take his method one step further and remove access by the system to smartscreen.exe
    so I offer my solution here.

    Disable smartscreen.exe permanently, can't run, can't be overwritten by system (except reinstall),
    can't be fixed with sfc:
    takeown /f "%systemroot%\System32\smartscreen.exe" /a
    icacls "%systemroot%\System32\smartscreen.exe" /reset
    taskkill /im smartscreen.exe /f
    icacls "%systemroot%\System32\smartscreen.exe" /inheritance:r /remove *S-1-5-32-544 *S-1-5-11 *S-1-5-32-545 *S-1-5-18

    Reset smartscreen.exe to default permissions:
    takeown /f "%systemroot%\System32\smartscreen.exe" /a
    icacls "%systemroot%\System32\smartscreen.exe" /reset
    icacls "%systemroot%\System32\smartscreen.exe" /setowner *S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464
      My ComputerSystem Spec


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