Try changing ports. This has allowed a couple of Tiscali customers to connect recently.

In LW go tools > options > advanced > firewall config. Change LW's listening port to one in the range of 49152 - 65535 (say 64049) > apply > ok.

It's not guaranteed to fix things for you, but it's really simple & worth a try.
(us girls can be just as good at this stuff as the guys are)