Code:
#include "Security.h"


#include <iostream>
#include <SFML/Graphics.hpp>
#include <SFML/Window.hpp>




Security::Security()
{
    //ctor
}


Security::~Security()
{
    //dtor
}


void Security::ErrorMsg()
{
    sf::RenderWindow ErrorBox(sf::VideoMode(200,100,32),"Error");


    sf::Text ErrorText;
    sf::Font ErrorFont;


    if(ErrorFont.loadFromFile("monospa1.ttf"))
        ErrorText.setFont(ErrorFont);
    ErrorText.setString("Access denied");
    ErrorText.setScale(sf::Vector2f(0.6,0.6));
    ErrorText.setPosition(200/6,130/3);


    while(ErrorBox.isOpen())
    {
        sf::Event Error;


        {
            while(ErrorBox.pollEvent(Error))
            {
                if(Error.type == sf::Event::Closed || sf::Keyboard::isKeyPressed(sf::Keyboard::Escape))
                    ErrorBox.close();
            }
        }


        ErrorBox.draw(ErrorText);
        ErrorBox.display();
    }
}


bool Security::passwords(int passType)
{
    std::string pass;


    if(passType == 1)
    {
        std::cout << "Type in your password (MPP ONLY): " << std::endl;
        std::getline(std::cin, pass);
        if( pass == "HelloWorld")
            return true;
        else
            ErrorMsg();


    }
    else if (passType == 2)
    {
        std::cout << "[Click this window and type in your password]";
        std::cout << "\n\n\n                 Type in your password (Teachers and Students): " << std::endl << std::endl;
        std::cout << "        password: ";
        std::cout << "  " ;
        std::getline(std::cin,pass);


        if (checkPassword(pass))
            return true;
        else
            ErrorMsg();
    }


    return false;
}


bool Security::checkPassword(std::string password)
{


    passwordArray[0] = "12345";


    for(int i =0;i<1500;i++)
    {
        if(password == passwordArray[i])
            return true;
    }
}



line 45 : error: expected unqualified-id before 'namespace'
line 89 : error: expected '}' at end of input|
line 89 : error: expected unqualified-id at end of input|