If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

I signed up with several Web sites to get periodic e-mails discussing issues in politics. I can browse to those Web sites but am unable to receive the e-mails. Something is blocking them as I am sure ...

In today's world of permanent Internet connectivity, whether through Wi-Fi or Ethernet, a firewall is an essential component of your device's security. This software – or in some cases, a separate ...