Make sure your Shared folder is on the shared folders list. Go to your LW Library window & have a look at the folders to the left. Click on each one to see their contents. Perhaps you haven't got all the ones you want to share listed. It won't be due to a firewall. Do this test:
Bug Report instructions & sample image is it Ture/False?
The sample below is for Mac OSX but it's basically the same. The top image is for exploring your shared folder. The bottom image is to add a new folder to share.