HowToGeek on MSN

How to Check if Windows Firewall is Blocking an App

Windows Security can alert you if the firewall is blocking an app, but there are other signs to look for if it doesn't. You ...

Your desktop firewall isn't enough - here's how to protect your entire network

ZDNET's key takeaways Your desktop firewall may not offer enough protection.There are various options available to increase your security.Two of these options are free, while the other has an ...