Could of course be that no one wants your files ... If you share say 1000 and leave `LW running 2 or 3 hours you should get a few I would think
You should check your options>uploads> basic set the cursor to around 85%
and slots .. both boxes must be one or greater.
Do you have a firewall indicator showing: brick wall in front of the globe? just another thought ..but check the options for starters