Furthermore, contemporary antivirus solutions are mostly all-in-one suits with cloud protection and firewalls, system optimization, and what not else. However, sometimes, the aforementioned firewalls can block your Wi-Fi network, preventing you to connect to the Internet.

Does Firewall affect Internet connection?

Disabling firewalls

Firewalls are one of the most important security features that comes preinstalled with Windows operating systems. But apart from protecting your system from malware and intruders, firewalls can sometimes block or slow down your Internet speeds and can limit your network bandwidth significantly.

Should I enable Firewall on my wifi?

It's important to use at least one type of a firewall – a hardware firewall (such as a router) or a software firewall. ... If you already have a router, leaving the Windows firewall enabled provides you with security benefits with no real performance cost. Therefore, it's a good idea to run both.