What is showing for the State Code on this page? Your device may need to be connected directly to the HughesNet modem via LAN cable to see this page.
On the same page, what is showing for the Satellite Receive Signal Strength?
Lastly, have you tried power cycling your HughesNet modem? If not, unplug it either the wall outlet or power pack, wait for at least 30 seconds, then plug it back in. Then, after waiting for at least five minutes, which will give the modem enough time to be fully up and ready, try your online activity again.