Are you downloading Glasswire direct from the publisher ?
What type of error message are you getting ?
On the hourly display, remember that it is #1, a HISTORY, a "look back over the shoulder" rather than a real-time usage meter. #2, it has recently just been "updated" and seems to have an error or two yet. See this topic:
On the basis of that you really have to wonder if you can trust its output until all the bugs are worked out.
If you feel you are losing data the first step is to do the modem isolation test:
That will tell you in pretty short order if the data loss is on the Hughes end or your end.