run ethereal and see what packets its sending before it dies, its probably overkill and it might take you a little get used to, but its worth it, and it'll help us diagnose if its software , hardware etc
netstat -a might tell you a bit
http://www.ethereal.com/distribution/win32/
you'll need winpcap too
http://winpcap.mirror.ethereal.com/i...inPcap_3_0.exe
its possible someones ddosing you i suppose, and the packets are replies. check your firewall
ps they did bring back family guy.