HadFuny freeze adress

#include <windows.h>

int main()
{
    HWND hWnd = FindWindow(0, "Calculator");
    if(hWnd == 0)
    {
            MessageBox(0, "Error cannot find window.", "Error", MB_OK|MB_ICONERROR);
    }
    else
    {
            DWORD proccess_ID;
            GetWindowThreadProcessId(hWnd, &proccess_ID);
            HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, proccess_ID);
            if(!hProcess)
        {
                MessageBox(0, "Could not open the process!", "Error!", MB_OK|MB_ICONERROR);
            }
        else
        {
                int newdata = 500;
                DWORD newdatasize = sizeof(newdata);
            while(1);
            {
                    if(WriteProcessMemory(hProcess, (LPVOID)0x57C2A4, &newdata, newdatasize, NULL))
                {

                    }
                else
                {
                        MessageBox(NULL, "Error cannot WriteProcessMemory!", "Error", MB_OK + MB_ICONERROR);
                    CloseHandle(hProcess);
                    }
                    CloseHandle(hProcess);
            }
            }
    }
    return 0;
}