Uninstall Norton with the Norton removal tool
http://service1.symantec.com/Support...05033108162039
If that doesn't work do the following
Windows Vista
Open up a command prompt (Start > All Programs >Accessories > alternate click on Command Prompt > select "Run as Administrator"
Type the bolded commands into the command prompt window:
Reset WINSOCK entries:
netsh winsock reset catalog
Reset IPv4 TCP/IP:
netsh int ipv4 reset reset.log
Reset IPv6 TCP/IP stack:
netsh int ipv6 reset reset.log
When finished reboot