Test
This commit is contained in:
Vichingo455
205
launcher/LaunchUpdateSite.c
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205
launcher/LaunchUpdateSite.c
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#include "stdafx.h"
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#include "main.h"
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#include "resource.h"
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#include <exdisp.h>
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#include "Exec.h"
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#include "HResult.h"
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#include "MsgBox.h"
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#include "RegisterServer.h"
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#include "Registry.h"
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#include "SelfElevate.h"
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#include "User.h"
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#include "VersionInfo.h"
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const LPWSTR UpdateSiteURLHttp = L"http://legacyupdate.net/windowsupdate/v6/";
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const LPWSTR UpdateSiteURLHttps = L"https://legacyupdate.net/windowsupdate/v6/";
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const LPWSTR UpdateSiteFirstRunFlag = L"?firstrun=true";
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DEFINE_GUID(IID_ILegacyUpdateCtrl, 0xC33085BB, 0xC3E1, 0x4D27, 0xA2, 0x14, 0xAF, 0x01, 0x95, 0x3D, 0xF5, 0xE5);
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DEFINE_GUID(CLSID_LegacyUpdateCtrl, 0xAD28E0DF, 0x5F5A, 0x40B5, 0x94, 0x32, 0x85, 0xEF, 0xD9, 0x7D, 0x1F, 0x9F);
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static const LPWSTR GetUpdateSiteURL() {
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// Fallback: Use SSL only on Vista and up
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BOOL useHTTPS = AtLeastWinVista();
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// Get the Windows Update website URL set by Legacy Update setup
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LPWSTR data;
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DWORD size;
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HRESULT hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\WindowsUpdate", L"URL", KEY_WOW64_64KEY, &data, &size);
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if (SUCCEEDED(hr)) {
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// Return based on the URL value
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if (wcscmp(data, UpdateSiteURLHttps) == 0) {
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useHTTPS = TRUE;
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} else if (wcscmp(data, UpdateSiteURLHttp) == 0) {
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useHTTPS = FALSE;
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}
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LocalFree(data);
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}
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return useHTTPS ? UpdateSiteURLHttps : UpdateSiteURLHttp;
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}
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void LaunchUpdateSite(int argc, LPWSTR *argv, int nCmdShow) {
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HRESULT hr = S_OK;
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IWebBrowser2 *browser;
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VARIANT url;
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VARIANT flags;
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VARIANT nullVariant;
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LPTSTR siteURL;
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HMONITOR monitor;
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// If running on 2k/XP, make sure we're elevated. If not, show Run As prompt.
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if (!AtLeastWinVista() && !IsUserAdmin()) {
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LPWSTR args = (LPWSTR)LocalAlloc(LPTR, 512 * sizeof(WCHAR));
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wsprintf(args, L"/launch %ls", argc > 0 ? argv[0] : L"");
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hr = SelfElevate(args, NULL);
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// Access denied happens when the user clicks No/Cancel.
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if (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED)) {
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hr = S_OK;
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}
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goto end;
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}
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// Can we instantiate our own ActiveX control? If not, try to register it.
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hr = CoCreateInstance(&CLSID_LegacyUpdateCtrl, NULL, CLSCTX_LOCAL_SERVER, &IID_ILegacyUpdateCtrl, (void **)&browser);
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if (hr == REGDB_E_CLASSNOTREG) {
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hr = RegisterServer(0, TRUE, TRUE);
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if (!SUCCEEDED(hr)) {
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goto end;
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}
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hr = CoCreateInstance(&CLSID_LegacyUpdateCtrl, NULL, CLSCTX_LOCAL_SERVER, &IID_ILegacyUpdateCtrl, (void **)&browser);
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if (!SUCCEEDED(hr)) {
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goto end;
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}
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IUnknown_Release(browser);
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} else if (!SUCCEEDED(hr)) {
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goto end;
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}
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// Spawn an IE window via the COM interface. This ensures the page opens in IE (ShellExecute uses
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// default browser), and avoids hardcoding a path to iexplore.exe. Also conveniently allows testing
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// on Windows 11 (iexplore.exe redirects to Edge, but COM still works). Same strategy as used by
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// Wupdmgr.exe and Muweb.dll,LaunchMUSite.
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hr = CoCreateInstance(&CLSID_InternetExplorer, NULL, CLSCTX_LOCAL_SERVER, &IID_IWebBrowser2, (void **)&browser);
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if (hr == REGDB_E_CLASSNOTREG) {
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// Handle case where the user has uninstalled Internet Explorer using Programs and Features.
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OSVERSIONINFOEX *versionInfo = GetVersionInfo();
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// Windows 8+: Directly prompt to reinstall IE using Fondue.exe.
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if (AtLeastWin8()) {
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SYSTEM_INFO systemInfo;
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GetSystemInfo(&systemInfo);
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LPCTSTR archSuffix = systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ? L"amd64" : L"x86";
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WCHAR fondue[MAX_PATH];
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ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\fondue.exe", fondue, ARRAYSIZE(fondue));
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WCHAR fondueArgs[256];
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wsprintf(fondueArgs, L"/enable-feature:Internet-Explorer-Optional-%ls", archSuffix);
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hr = Exec(NULL, fondue, fondueArgs, NULL, SW_SHOWDEFAULT, FALSE, NULL);
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if (SUCCEEDED(hr)) {
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goto end;
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}
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}
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// Tell the user what they need to do, then open the Optional Features dialog.
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WCHAR message[4096];
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LoadString(GetModuleHandle(NULL), IDS_IENOTINSTALLED, message, ARRAYSIZE(message));
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MsgBox(NULL, message, NULL, MB_OK | MB_ICONEXCLAMATION);
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WCHAR optionalFeatures[MAX_PATH];
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ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\OptionalFeatures.exe", optionalFeatures, ARRAYSIZE(optionalFeatures));
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Exec(NULL, optionalFeatures, NULL, NULL, SW_SHOWDEFAULT, FALSE, NULL);
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hr = S_OK;
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goto end;
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} else if (!SUCCEEDED(hr)) {
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goto end;
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}
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// Can we connect with https? WinInet will throw an error if not.
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siteURL = GetUpdateSiteURL();
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// Is this a first run launch? Append first run flag if so.
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if (argc > 0 && lstrcmpi(argv[0], L"/firstrun") == 0) {
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WCHAR newSiteURL[256];
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wsprintf(newSiteURL, L"%s%s", siteURL, UpdateSiteFirstRunFlag);
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siteURL = newSiteURL;
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}
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VariantInit(&url);
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url.vt = VT_BSTR;
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url.bstrVal = SysAllocString(siteURL);
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VariantInit(&flags);
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flags.vt = VT_I4;
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flags.lVal = 0;
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VariantInit(&nullVariant);
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hr = IWebBrowser2_Navigate2(browser, &url, &flags, &nullVariant, &nullVariant, &nullVariant);
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if (!SUCCEEDED(hr)) {
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goto end;
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}
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HWND ieHwnd;
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hr = IWebBrowser2_get_HWND(browser, (SHANDLE_PTR *)&ieHwnd);
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if (!SUCCEEDED(hr)) {
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goto end;
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}
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// Are we on a small display? If so, resize and maximise the window.
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monitor = MonitorFromWindow(ieHwnd, MONITOR_DEFAULTTONEAREST);
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MONITORINFO monitorInfo;
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monitorInfo.cbSize = sizeof(MONITORINFO);
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if (GetMonitorInfo(monitor, &monitorInfo) > 0) {
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LONG workWidth = monitorInfo.rcWork.right - monitorInfo.rcWork.left;
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LONG workHeight = monitorInfo.rcWork.bottom - monitorInfo.rcWork.top;
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LONG width, height;
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IWebBrowser2_get_Width(browser, &width);
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IWebBrowser2_get_Height(browser, &height);
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if (width < 800) {
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width = workWidth < 800 ? workWidth : 800;
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IWebBrowser2_put_Width(browser, width);
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}
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if (height < 600) {
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height = workHeight < 600 ? workHeight : 600;
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IWebBrowser2_put_Height(browser, height);
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}
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LONG left, top;
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IWebBrowser2_get_Left(browser, &left);
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IWebBrowser2_get_Top(browser, &top);
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if (left + width > workWidth) {
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IWebBrowser2_put_Left(browser, 0);
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}
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if (top + height > workHeight) {
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IWebBrowser2_put_Top(browser, 0);
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}
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if (workWidth <= 1152) {
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ShowWindow(ieHwnd, SW_MAXIMIZE);
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}
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}
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IWebBrowser2_put_Visible(browser, TRUE);
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// Focus the window, since it seems to not always get focus as it should.
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SetForegroundWindow(ieHwnd);
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end:
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if (!SUCCEEDED(hr)) {
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MsgBox(NULL, GetMessageForHresult(hr), NULL, MB_ICONEXCLAMATION);
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}
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browser = NULL;
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CoUninitialize();
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PostQuitMessage(0);
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}
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