Firewall Access for Glasswire Has Been Blocked By Avast Antivirus

its because avast premier has a firewall built in. which turns off windows firewall (turn avast firewall off setting) then glasswire will work.

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Some of our users use GlassWire solely as a network security monitor if they choose to use an antivirus that blocks our firewall. The other solution is to use another antivirus as Smogsy explained.