Avast Antivirus Not Updating Virus Definitions [Fix]

Sometimes Avast antivirus could not update virus definitions due to which it becomes unable to protect the system from the new online threats like viruses or malware.

Avast is one of the most widely used antivirus which is available in the market, providing the best protection services to internet-connected devices for decades. Avast company comprises a larger share in the antivirus market.

It is one of the most compatible programs which works with almost all the operating systems. It is judged as one of the most intelligent antiviruses which provide complete security for the system.

Methods to fix Avast antivirus not updating virus definitions

Here are some of the methods to troubleshoot if Avast antivirus is not updating virus definition for the computer system or mobile devices. Most of the errors are caused because of bugs. The simplest method to fix this issue is to update the antivirus to the latest version, and if you are not able to do this, then it means some of the program files have been corrupted.

In such a case, you can force the application to repair itself via the built-in troubleshooter.

Method 1: Update Antivirus to the latest version

The majority of the users have complained that the Avast antivirus not updating virus definitions. This problem arose because of some bugs in the Avast program, which has been resolved in the 6.16 version.

The issue occurred as a bad date was being pushed along with the Update, which ended up forcing the virus signature updating function displaying the error even after the Update was installed correctly.

As this issue is resolved in the latest updates of the Avast, so to fix this issue, you should install an updated version of the Avast program.

Steps to update Avast to the latest version

• Launch the antivirus and click on the menu icon, which will be on the top-right corner.
• Now, select the Settings option from the newly appeared context menu.
• Once inside the Settings menu, from the main list of tabs, select the General tab, and then select the sub-tab of Update.
• Inside the sub-tab Update, there will be an option of Check for updates, click on it and wait until the process is complete.
• Now the program will ask you to restart the system to complete the process, click on Ok. Once the system is rebooted, open the Avast application, and see if the issue is resolved.

Method 2: Repair Avast program

A partially corrupted avast program can also contribute to Avast antivirus not updating virus definitions. In many cases, this issue usually occurs because of the unexpected shutdown of the machine. The steps to repair the issue for the above scenario is as follows:

• Launch the Avast application and click on the action-menu which is on the top right corner.
• A new context menu will appear; you will get an option of Settings, click on it.
• Inside the Settings menu, select the General tab and click on Troubleshooting.
• In the troubleshooting tab, select the “Still having a problem?” Option and click on the Repair.
• Click on Yes for the confirmation, now just wait for the scan to complete.
• Once the scan is complete, click on Resolve all. And now sit and watch this will automatically resolve every issue that has been identified.

Method 3: Upgrading the account

Even after updating their account from free to premium account, some users still face the issue of the Avast antivirus not updating, by following the below steps the issue can be fixed:

• Launch the Avast application and go to the Settings.
• Once inside the Settings menu, from the main list of tabs, select the General tab, and then select the sub-tab of Update.
• Check the more options under the Application update and then uncheck the Proxy server box.

Following the above procedures, the issue of Avast antivirus not updating virus definitions should get resolved. And we always recommend you to update your Antivirus applications to the latest version. This will help you to protect your system from the latest viruses and malware.