1. Can you specify exactly which models of conntection devices you are using? Knowing that will help us determine if you need to do anything special with any of them such as port forwarding.
2. Did you configure your software 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)
3.
System details - help us to help you (click on blue link)