Reset your Windows Firewall settings

Reset Windows Firewall to its defaults, at command prompt.

Open Command Prompt as administrator, and run the following command:

netsh advfirewall reset

Reset Windows Firewall to its defaults, using PowerShell.

Open PowerShell as administrator, and run the following command:

(New-Object -ComObject HNetCfg.FwPolicy2).RestoreLocalFirewallDefaults()

Links:

• How to reset your Windows Firewall settings (4 methods)