SMB:CVE-2017-0144[Expl] help needed

My OS is Windows 8.1 & Avasta 18.6.2349, lately I’m getting en error SMB:CVE-2017-0144[Expl], further search showed that it’s due to port 445 opened, I’m using Comodo firewall and I’ve closed the port 445 in Comodo, why I’m still getting this error, what else should I do to remove/avoid this threat? TIA.

Hi, see: https://forum.avast.com/index.php?topic=208445.msg1419511#msg1419511

Stopped file sharing, let’s see if the error still showed up. Thanks.

You’re welcome.