Иероглифы в messagebox'e

#include "stdafx.h"
#include <thread>
#include <iostream>
#include <winsock2.h>
 
DWORD WINAPI Net1(LPVOID lpParam)
{
    MessageBox(0, LPCWCHAR("Listen OK"), LPCWCHAR("Listen OK"), 0);
    return 0;
}
 
DWORD WINAPI Pot(LPVOID lpParam)
{
    MessageBox(0, LPCWCHAR("Listen OK"), LPCWCHAR("Listen OK"), 0);
    return 0;
}
DWORD WINAPI Net(LPVOID lpParam)
{
    HANDLE hThread;
    DWORD dwThreadID;
 
    hThread = CreateThread(NULL, 0, Net1, 0, 0, &dwThreadID);
    MessageBox(0, LPCWCHAR("error"), LPCWCHAR("error"), 0);
    CloseHandle(hThread);
    return 0;
}
DWORD WINAPI potok_2(LPVOID lpParam)
{
    HANDLE hThread;
    DWORD dwPotThreadId;
    hThread = CreateThread(NULL, 0, Pot, 0, 0, &dwPotThreadId);
    MessageBox(0, LPCWCHAR("error"), LPCWCHAR("error"), 0);
    CloseHandle(hThread);
    return 0;
}
int main()
{
    HANDLE hNetThread;
    DWORD dwNetThreadId;
    HANDLE PotThread;
    DWORD dwPotThreadId;
    hNetThread = CreateThread(NULL, 0, Net, 0, 0, &dwNetThreadId);
    PotThread = CreateThread(NULL, 0, potok_2, 0, 0, &dwPotThreadId);
    system("pause");
    return 0;
}

MessageBox(("Listen OK"), ("Listen OK"));

MessageBoxA(NULL, "Hello world","windows", MB_OK);

MessageBoxW(NULL, L"Hello world", L"windows", MB_OK);