It’s available in a free and paid version, both of which can effectively safeguard your data against unauthorized access. To fix this you will need to perform a series of troubleshooting steps.Īvast is a popular antivirus software that’s available for Windows, macOS, iOS, and Android.
It’s usually caused by a corrupted data or outdated app version.
The Avast virus definitions update failed error usually occurs when trying to update the virus definitions of the desktop version of the app.
