sweetmon, Do you have any other devices connected to HughesNet besides the two computers? Many devices can use data without you being aware, including when they are turned off, as some are not really off, but in standby. Do you have a satellite TV receiver connected to the service? If so, especially a DirecTV receiver, it's best to disconnect it, as they can use data for a variety of things without there being any way to control it.
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