
Most users claimed that they experienced this problem, even though they had updated Avast to version 6.16. Method 1: Update Avast Antivirus software
Now that we know of the possible reasons for this error to occur, let us discuss the solutions on how to fix the Virus Definition Failed error in Avast Antivirus.
Method 1: Update Avast Antivirus softwareįix Virus Definition Failed in Avast Antivirus. Fix Virus Definition Failed in Avast Antivirus. In this instance, you can use the Avast built-in troubleshooter to enable the application to repair itself. If the program is not getting updated, it’s most likely because some files have gotten corrupted. So, for a quick and hassle-free resolution, upgrade your Avast Antivirus to the most recent version available. In most situations, this problem is caused by an update or repair defect that Avast company had previously fixed with version 6.16. Why does the Virus Definition Failed error occur in Avast? Avast Antivirus offers free and premium versions that include computer security, browser security, antivirus software, and anti-spam protection. Do you see the ‘ virus definition failed’ error when you try to update virus definitions and you tried everything but, the error persists? In this blog, we have provided easy fixes for virus definition failed errors, and here is a fix for ‘Virus Definition Failed’ in Avast Antivirus.įor beginners, Avast Antivirus is an internet security software created by Avast for Microsoft Windows, macOS, Android, and iOS.