Yes. As with an antivirus program, your computer should only have one software firewall enabled and running. Having more than one firewall can cause conflictions and often prevent your Internet from working properly.

What about a hardware firewall?

If your router includes a firewall, it’s ok if the Windows Firewall is left enabled.

  • How to disable the firewall program installed on my computer.
  • See the firewall definition for further information and related links.
  • Microsoft Windows help and support.