i have a free version on my mothers pc. once in a while it won’t update virusdefinition, or does it. It coummunicates and the progress indicator comes to an end, but the status message afterwards is that the virus definition is not updated. Anyone now what to do about this?
Open the Avast User Interface > Menu > Settings > Troubleshooting > Repair App. > Restart the Computer or,
Control Panel> Program and Features (Add/remove program)>Select Avast> Select Repair. Reboot when completed https://www.avast.com/faq.php?article=AVKB204