Can you give us a total desciption of your set up:
1. Do you try to run LW on both comp's at same time?
2. What firewalls you have?
3. ram?
4. Hard Disk space available?
5. Connection type & speed? (eg: dialup, broadband, cable, etc.)
6. Modem & router brand name & model numbers?
7. Where are you trying to connect from (home, school, work, etc.)?
8. Are the 2 comp's connected via router or network card.