Can you give us a total desciption of your set up: 
 
1. OS version?  (eg: Windows 98) 
2. What firewalls you have? 
3. ram? 
4. HDD space available? 
5. Connection type? (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. What version of Limewire (LW) & Java do you have? (Go to LW's menu Help>About LW...)
9. Also tel us whatever you can about your LW option settings. eg: Uplds, Downlds, etc.
10. Do this test: 
Bug Report instructions & sample image Is it True/False?
11. When did this problem start happening? How long have you been using LW & when did yo update to this version?  
These details are vital if you want us to find out what your connection problem is. 
Did you configure your firewalls: 
http://www.limewire.com/english/content/firewalls.shtml 
Here's some xtra hints: 
http://www.gnutellaforums.com/showth...threadid=34114