When the Shields Up mode is active, Windows Firewall blocks all incoming connections, including those in the list of allowed apps to prevent further damage from the attack.

Firewall isn’t targeted specifically at ads, but by blocking whatever tracker Apple News is using for its ad network, the feature also blocks the ads, which is nice because the ads in News are ...

Blocking incoming access to your PC Block incoming network access, such as from a specific IP address, is similar to blocking outgoing application access.

If you see the Security or Firewall might be blocking the connection on the Windows Network Diagnostics report, here are suggestions to help you.