try rebooting your router.
I'm experiencing same problems with 3 mags boxes, router reset didn't help, it's connectivity issues at their end with servers
Sounds like dealing with ISP, check you cable connection, reset modem, reset router, brush your teeth, call back in a couple days if you still have problems. If you don't have patients with this you need to give it up. I've been dealing with this since since ?early 1990's nothing is free it's always a chase. IveEnjoyed the days of h card