Follow these steps:
Restart your iPhone, Smart TV, Game Console or whatever device you are using to stream Hulu.
Restart your Router. Unplug your wireless router from power for 60 seconds then plug it back in.
Restart Your Modem. Unplug the modem from your Internet company for 30 to 60 seconds.
Check the WiFi Router Location. If your router is hidden behind something, move it to a higher place and out from behind items.
For more support visit Hulu Com Activate.