Did you call them?
Have you had IN before?
If not, be sure you have the latest java update, the latest flash player update.
If you have a smart phone, try signing in there.
It is easy to watch on a Kindle fire, provided your settings have flash enabled and java enabled. I expect any Droid phone is the same. For Iphone or Ipad, you need to buy an ap.
(One good thing--when you get this straightened out, everything will be available for replay on demand)