| 1 | /* $Id: RegCleanup.cpp 98103 2023-01-17 14:15:46Z 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) 2006-2023 Oracle and/or its affiliates.
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| 17 | *
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| 18 | * This file is part of VirtualBox base platform packages, as
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| 19 | * available from https://www.virtualbox.org.
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| 20 | *
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| 21 | * This program is free software; you can redistribute it and/or
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| 22 | * modify it under the terms of the GNU General Public License
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| 23 | * as published by the Free Software Foundation, in version 3 of the
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| 24 | * License.
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| 25 | *
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| 26 | * This program is distributed in the hope that it will be useful, but
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| 27 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 28 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 29 | * General Public License for more details.
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| 30 | *
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| 31 | * You should have received a copy of the GNU General Public License
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| 32 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include <iprt/win/windows.h>
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| 42 | #include <iprt/cdefs.h> /* RT_STR_TUPLE */
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| 43 | #include <iprt/types.h> /* RTEXITCODE_FAILURE */
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| 44 |
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| 45 |
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| 46 | static bool IsNt4(void)
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| 47 | {
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| 48 | OSVERSIONINFOW VerInfo = { sizeof(VerInfo), 0 };
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| 49 | GetVersionExW(&VerInfo);
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| 50 | return VerInfo.dwPlatformId == VER_PLATFORM_WIN32_NT
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| 51 | && VerInfo.dwMajorVersion == 4;
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| 52 | }
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| 53 |
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| 54 |
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| 55 | int main()
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| 56 | {
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| 57 | if (!IsNt4())
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| 58 | {
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| 59 | DWORD cbIgn;
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| 60 | WriteFile(GetStdHandle(STD_ERROR_HANDLE), RT_STR_TUPLE("This program only runs on NT4\r\n"), &cbIgn, NULL);
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| 61 | return RTEXITCODE_FAILURE;
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| 62 | }
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| 63 |
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| 64 | /* Delete the "InvalidDisplay" key which causes the display
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| 65 | applet to be started on every boot. For some reason this key
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| 66 | isn't removed after setting the proper resolution and even not when
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| 67 | doing a driverreinstall. */
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| 68 | RegDeleteKeyW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\GraphicsDrivers\\InvalidDisplay");
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| 69 | RegDeleteKeyW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\GraphicsDrivers\\NewDisplay");
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| 70 | return RTEXITCODE_SUCCESS;
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| 71 | }
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| 72 |
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