@tigosar: The popups that you are seeing is like it shows how many malware were stopped in the past month and helping you to be protected, offering Avast for business, grimefighter, and etc etc. It’s no big deal to be honest. Avast offers the best protection ever based on my experience that I had in the past using other antivirus program.
Other related topics include this one
https://forum.avast.com/index.php?topic=97617.0
and
read this one as well https://blog.avast.com/2015/01/22/do-not-disturb-how-to-disable-sound-and-pop-up-notifications/