refuso

You may need to run a winsock repair or fix the TCP/IP stacking.

First off, try the following:
Go to Start > Run > Cmd
Enter these two commands, then reboot:
netsh winsock reset catalog
netsh int ip reset c:\resetlog.txt

You can also try downloading this too which may help: http://www.snapfiles.com/get/winsockxpfix.html