I'd contact Sky and bring the prob. to their attention so that it can be remedied.

My mistake: A 404 Error would lead me to think that some link between your server and this one could be temp. down.

A 403 is a blanket no-go by your ISP.

It could be a tech. issues that can be resolved through Sky rather quickly.


P.S.: If your computer is firewalled, and it should be, make sure that permissions to visit NT are set to okay - that there isn't something within the firewall blocking access. Set NT as a safe site or safe zone, as well, if you have anti-virus surfing protection activated.