UpdateStar is compatible with Windows platforms. UpdateStar has been tested to meet all of the technical requirements to be compatible with Windows 10, 8.1, Windows. Service Name and Transport Protocol Port Number Registry 4 tcp Unassigned 4 daytime. Apr-1997. Cover: successively zoomed views of the analog startup waveform of a circuits, captured by the HP 54645D mixed-signal oscilloscope triggering on digital.