For beginners, Avast Antivirus is an internet security software created by Avast for Microsoft Windows, macOS, Android, and iOS. Avast Antivirus offers free and premium versions that include computer security, browser security, antivirus software, and anti-spam protection. Why does the Virus Definition Failed error occur in Avast? In most situations, this problem is caused by an update or repair defect that Avast company had previously fixed with version 6.16. So, for a quick and hassle-free resolution, upgrade your Avast Antivirus to the most recent version available. If the program is not getting updated, it’s most likely because some files have gotten corrupted. In this instance, you can use the Avast built-in troubleshooter to enable the application to repair itself.
Fix Virus Definition Failed in Avast Antivirus
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.
Fix Virus Definition Failed in Avast Antivirus Method 1: Update Avast Antivirus software Method 2: Repair Avast Antivirus Method 3: Reinstall Avast
Method 1: Update Avast Antivirus software
Most users claimed that they experienced this problem, even though they had updated Avast to version 6.16. After a detailed examination, we found that the issue arose due to a faulty date involved in the update. Although the update was installed properly and the virus protection signature was up-to-date, the faulty date caused the Virus Signature Update Mechanism to display an error. Follow these steps to update Avast with the correct date:
Method 2: Repair Avast Antivirus
The ‘Virus definitions update failed’ error might also be caused by a partially damaged Avast program. In some cases, the error message reads, Downloading of VPS failed. Mostly, the problem arose either because of an unexpected computer shutdown or because a security scanner kept corrupting particular objects during the update process. If this situation applies to you, you can resolve the virus definition failed problem by utilizing the Avast troubleshooting options to repair itself. Here are the simple steps to repair the Avast application via its built-in troubleshooter: This should fix all problems within Avast, and you should be able to enjoy the virus-free & error-free functioning of your computer. Also Read: How to Remove Avast from Windows 10
Method 3: Reinstall Avast
If all else fails, reinstalling the Avast app should definitely get rid of all minor glitches, bugs & also, virus definition failed error. Here are the steps on how to do it:
Open the Run box by pressing Windows + R keys together.
To launch Uninstall or change a program, type “appwiz.cpl” in the Run box and click OK.
Right-click on the Avast folder and choose Uninstall.
After you’ve deleted Avast, go to the official website and download the latest software version. Reinstalling Avast isn’t the best approach, but if the built-in repair mechanism doesn’t work, you’ll probably have to do it anyway. Note: In some cases, you may want to install an older version of the program until the flaws in the newest version have been resolved. Recommended:
Fix Windows Cannot Find Steam.exe error How To Fix Google Drive Access Denied Error How to Type Characters with Accents on Windows 5 Ways to Completely Uninstall Avast Antivirus in Windows 10
We hope that this guide was helpful and you were able to fix virus definition failed error in Avast. If you have any queries/comments regarding this article, then feel free to drop them in the comments section.
