| 1 | /* $Id: RegCleanup.cpp 96389 2022-08-20 23:09:14Z vboxsync $ */
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| 2 | /** @file
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| 3 | * RegCleanup - Remove "InvalidDisplay" and "NewDisplay" keys on NT4,
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| 4 | * run via HKLM/.../Windows/CurrentVersion/RunOnce.
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| 5 | *
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| 6 | * Delete the "InvalidDisplay" key which causes the display applet to be
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| 7 | * started on every boot. For some reason this key isn't removed after
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| 8 | * setting the proper resolution and even not when * doing a driver reinstall.
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| 9 | * Removing it doesn't seem to do any harm. The key is inserted by windows on
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| 10 | * first reboot after installing the VBox video driver using the VirtualBox
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| 11 | * utility. It's not inserted when using the Display applet for installation.
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| 12 | * There seems to be a subtle problem with the VirtualBox util.
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| 13 | */
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| 14 |
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| 15 | /*
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| 16 | * Copyright (C) 2006-2022 Oracle Corporation
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| 17 | *
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| 18 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 19 | * available from http://www.virtualbox.org. This file is free software;
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| 20 | * you can redistribute it and/or modify it under the terms of the GNU
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| 21 | * General Public License (GPL) as published by the Free Software
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| 22 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 23 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 24 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/win/windows.h>
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| 32 | #include <iprt/cdefs.h> /* RT_STR_TUPLE */
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| 33 | #include <iprt/types.h> /* RTEXITCODE_FAILURE */
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| 34 |
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| 35 |
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| 36 | static bool IsNt4(void)
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| 37 | {
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| 38 | OSVERSIONINFOW VerInfo = { sizeof(VerInfo), 0 };
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| 39 | GetVersionExW(&VerInfo);
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| 40 | return VerInfo.dwPlatformId == VER_PLATFORM_WIN32_NT
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| 41 | && VerInfo.dwMajorVersion == 4;
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| 42 | }
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| 43 |
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| 44 |
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| 45 | int main()
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| 46 | {
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| 47 | if (!IsNt4())
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| 48 | {
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| 49 | DWORD cbIgn;
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| 50 | WriteFile(GetStdHandle(STD_ERROR_HANDLE), RT_STR_TUPLE("This program only runs on NT4\r\n"), &cbIgn, NULL);
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| 51 | return RTEXITCODE_FAILURE;
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| 52 | }
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| 53 |
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| 54 | /* Delete the "InvalidDisplay" key which causes the display
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| 55 | applet to be started on every boot. For some reason this key
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| 56 | isn't removed after setting the proper resolution and even not when
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| 57 | doing a driverreinstall. */
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| 58 | RegDeleteKeyW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\GraphicsDrivers\\InvalidDisplay");
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| 59 | RegDeleteKeyW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\GraphicsDrivers\\NewDisplay");
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| 60 | return RTEXITCODE_SUCCESS;
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| 61 | }
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| 62 |
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