Open your Avast GUI > on the top of the GUI click “Help Center” > click Scanning for Viruses > click Boot-time scan …and read.

Open your Avast GUI > on the top of the GUI click “Help Center” > click Scanning for Viruses > click Processing the scan results…and read.

Open your Avast GUI > on the top of the GUI click “Help Center” > click Scanning for Viruses > click Scan logs…and read.