#include <Windows.h>
#include <stdio.h>

#define IE L"iexplore.exe"
#define URL L"http://www.baidu.com/"

int main()
{
	HINSTANCE hInstance;
	hInstance = ShellExecute(NULL, L"open", URL, NULL, NULL, SW_HIDE);
	//hInstance = ShellExecute(NULL, L"open", IE, URL, NULL, SW_HIDE);
	if (!hInstance) {
		wprintf(L"ShellExecute error:%d\n", GetLastError());
		return 0;
	}
	CloseHandle(hInstance);
	return 0;
}

如果装了360和迅雷,用注释掉的那一行运行,则可能出现警报。