My PC has no problem connecting to this website, yet when trying to connect TeamViewer, it is complaining (Computer & Contacts - Error):
"Sign In request failed! The server did not respond. Please try again."
When first attempting to login on the website, it complained that this wasn't a trusted device. Odd, since this is the box that's been running TV since March. I re-added it anyway, and restarted the TV app, but that did not solve the issue.