On Windows, you need to have the Visual C command line tools installed. The GUID DLL is not removed by clobbering. Also, note that on Windows the build tools need to be installed in directories that do not contain white spaces or punctuation characters. The paths for the build tools, source files, and binaries must not contain spaces. Your development tree may still not contain any file or directory names with spaces in them, but the path to the development tree may.
GNU make has a bug and under certain circumstances get's confused by carriage returns in make files.
Starting one.world also starts the Emcee application, which provides a graphical user interface for managing users and their applications. See the corresponding question in the building one.world section . You need to make sure the configuration file exists in the directory in which you are starting one.world . The configuration page describes the configuration options in more detail. Make sure that all directories specified by the path exist and then try again.