Quick fixes for Hulu not working on Roku
Now that you are sure you are not facing a Hulu-caused problem, you can try some remedies at home. Donate a round to these. If one doesn't work, move on to the next until a solution is found.
Close the app to any computer you use, and restart it.
Have your system restarted.
Try to reset your Router. If you don't know how to reset a router here's our simple guide.
Ensure that the app's updated. If you're using an app on your smartphone or Computer, go to the app store to see if a newer version is available.
Uninstall the app, and install it again.