Why is this happening? This is most likely occurring because you have a misconfiguration of a Windows Firewall rule that is explicitly blocking whatever access or app you are using to browse the Internet on TCP port 80 or 443 or maybe even blocking an entire subnet which is required to access the network or Internet.
How do I stop firewall from blocking my Internet?
Disable the Firewall in Windows 10, 8, and 7
- Open Control Panel. ...
- Select System and Security. ...
- Choose Windows Firewall. ...
- Select Turn Windows Firewall on or off on the left side of the screen. ...
- Select the bubble next to Turn off Windows Firewall (not recommended). ...
- Select OK to save the changes.
How do I stop firewall from blocking my Internet Windows 10?
Turn Microsoft Defender Firewall on or off
- Select the Start button > Settings > Update & Security > Windows Security and then Firewall & network protection. Open Windows Security settings.
- Select a network profile.
- Under Microsoft Defender Firewall, switch the setting to On. ...
- To turn it off, switch the setting to Off.