Following on from this problem (which was never really resolved - apart from exporting and re-importing a modified eset configuration xml file, I had / have / exactly the same problems. I also use the latest version of VMWare and had a virtual NAT VMWare adapter (VMware NAT8). I think it got introduced (the problem) of Error: nonexistent zone appearing in new firewall rules - when I changed both my real network adapter and this virtual adapters IPV4 and IPV6's DNS details to AdAware's DNS