What is the use of Avast Antivirus?

With the Free Antivirus version – Avast Antivirus Installation Error, Avast protects computers and mobile devices from viruses, spam, spyware, and other malicious programs or messages. Avast Pro Antivirus adds a sandbox for isolating the computer from harmful applications and sites, and SafeZone for providing a browser window free of data residue.

Read more - How to cancel an Avast Antivirus Subscription