problems connecting
 

i have lime wire 4.9.28,java 1.5.0_02 and windows xp.i just download this newer version and it stays connected for about 20 minutes then drops down to connecting and stays there.i already cleared the preferences and still nothing.when i start lime wire it detects a firewall.i have norton internet security but i turned it off for 5 minutes and still nothing.it still said it detected one.i alredy disabled the one that comes with service pack 2.please help me!!!