said by derekivey:
Ok, I was able to reboot it and the web interface started working again.
Now that you can access the router's admin server again, you might want to check the Firewall Options page. I have seen not having the Disable Gateway Smart Packet Detection
"feature" checked sometimes cause the router to lose its http admin server (and also sometimes just lockup in general).
History does not long entrust the care of freedom to the weak or the timid.
-- Dwight D. Eisenhower