Secure Boot on W8 & 8.1

Hi,
I can determine if the computer are in secure boot (UEFI) or not with this function:

GetFirmwareEnvironmentVariableA('','{00000000-0000-0000-0000-000000000000}', nil,0);
    if (GetLastError = ERROR_INVALID_FUNCTION) then
      Writeln('Legacy BIOS')
    else
      Writeln('UEFI Boot Mode');
  except
    on E: Exception do
      Writeln(E.ClassName, ': ', E.Message);
  end;

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But i need disable this option without change directly on BIOS, how i can do it with delphi?
Douglas RuizAsked:
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Geert GOracle dbaCommented:
i hope you realize warning bells sound when you ask a question like that ?

the pc requires a reboot for the changes to take effect
so it's really not an idea to have you program switch it off  
if the company running your software has problems with secure boot then the secure boot will simply have to be turned off

or you'll have to certify your software to work with secure boot

if you really want to pursue this ... it's probably a registry setting
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Sinisa VukSoftware architectCommented:
There is no option to do it with Delphi. Read this article...
Then again.... firmwares are not the same ... (award, gigabyte, asrock...) ... and if you can  - then some virus can do too....
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Douglas RuizAuthor Commented:
I need change this option after windows startup, on windows running with delphi or another language.
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Douglas RuizAuthor Commented:
No one?
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Geert GOracle dbaCommented:
you need to do it manually in the BIOS during startup

Delphi is not an option

sometimes an answer is "you can't do that with Delphi"
you'll have to live with that and accept that answer

asking anyone else will not give a different answer

fwiw, i don't think you will be able to get certificates for your Delphi programs to run in secure boot
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Douglas RuizAuthor Commented:
Why not? i just need pay and certificate my dlls.
can i change the bios settings with other language?
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