Oops you're using a host site for your image the forums banned because it was popularly used by nasty spammers & troll posters.

Did you configure your firewall so it allows LW full access (advisable not to have 2 active firewalls b/c they can interfere with each other); Firewall configuration instructions (click on link)

Netgear UPnP is on by default. Normally netgear UPnP works fine. But perhaps for the odd model some people have had issues so port forwarding was the way to go.