How to block certain incoming & outgoing?

In the previous firewall version I had no problem blocking any IP address I wanted, either incoming or outgoing. The outgoing and incoming IPs were clearly posted in the command module. I cannot find where to do this in the latest version. Please give me step-by-step where to find.
Also… there is an annoying small Comodo pop-up menu on my desktop. I don’t want it. If I want to access the main module I can just click on the system tray icon, there is no need for this one.
How can I stop it?
Thanks…