The question is, does your search find your computer from elsewhere. If you're firewalled then your shared files might not show up in any searches.

Do this test: Bug Report instructions & sample image Is the result True/False? If False, then something is partially blocking LW. Probably a firewall.

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)

Try to direct connect to your computer; see How to use Direct Connect