Just introduce their systems to virii which bypass their AV scanner. Let them try every possible AV they want. You can make a believer out of them.

1) The PE spec (that defines a valid PE file) is very broad.

3) The AVs only let pass and even smaller range of PE files than even the Win32 loader will support.

By default, C++ projects are set to use a precompiled header called stdafx.h. So that means that every project needs #include "stdafx.h" as the very first include file. To disable this, you could either tell the project not to use precompiled headers during the project creation or disable precompiled headers in the project settings.

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;
   char buff[256];
   int i;

   for (i = 0; i < 256; buff[i++] = '\0'); /* The assembly routines are not really ensuring NUL termination */

   getVendorString(buff);

   i = 0;
   do {
      szTitle[i] = (TCHAR)buff[i]; // Improper way to do this, but will work for the example.
   } while (buff[i++]);

   hInst = hInstance; // Store instance handle in our global variable

   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}    

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
      int wmId, wmEvent;
  PAINTSTRUCT ps;
     HDC hdc;

        switch (message)
    {
      case WM_KEYDOWN:
                if (wParam == VK_ESCAPE) DestroyWindow(hWnd);
               break;
      case WM_COMMAND:
                wmId    = LOWORD(wParam);
           wmEvent = HIWORD(wParam);
           // Parse the menu selections:
           switch (wmId)
               {
              case IDM_ABOUT:
                 DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
                       break;
              case IDM_EXIT:
                  DestroyWindow(hWnd);
                        break;
              default:
                        return DefWindowProc(hWnd, message, wParam, lParam);
                }
              break;
      case WM_PAINT:
          hdc = BeginPaint(hWnd, &ps);
            // TODO: Add any drawing code here...
           {
              LPTSTR cmdl = GetCommandLine();
             TCHAR ProcessorString [12];
         getProcessorString(ProcessorString);
                TextOut(hdc,0,0,cmdl,lstrlen(cmdl));
                TextOut(hdc,0,10,ProcessorString,lstrlen(ProcessorString));
         }
              EndPaint(hWnd, &ps);
            break;
      case WM_DESTROY:
                PostQuitMessage(0);
         break;
      default:
                return DefWindowProc(hWnd, message, wParam, lParam);
        }
      return 0;
}