In this brief HOW-TO I will explain the steps necessary to get the popular VNC Server working on a Windows computer which has Comodo Free Firewall + Antivirus for Windows also installed on it.
First you will need to open the Comodo Free Firewall + Antivirus for Windows interface, click Firewall at the top, click Advanced on the left hand side of the window, next click Network Security Policy, click the tab for Global Rules, then click the Add button to add a new rule. Below is the window adding the new rule, with the first page of details already filled in: