How To Fix Avast Mobile Virus Definitions Update Failed Error

Update to the most recent version of Avast Antivirus. Or use the following fixes.

Avast is one of the best and most well-known desktop antivirus software. You may also receive the same quality, no-cost protection on your mobile device, which safeguards it from potentially dangerous programs or requests your permission before installing them. As a new version of Avast Antivirus for mobile devices has been published, many users may choose to upgrade. Unfortunately, many users have reported a mobile Avast Virus Definitions Update Failed error.

The primary causes of Avast mobile Virus Definitions Update Failed errors are corrupted cache data or out-of-date program versions.

Suppose you want to fix this mistake but need to learn how to relax and continue reading this article. Listed below are several efficient methods for resolving the Avast Virus Definitions Update Failed mobile problem. But, first, determine which remedy to the issue will work for you.

Fix: Avast Mobile Virus Definitions Update Failed Error

1. Clear Google Play Store cache and data

A problem with the Google Play Store app frequently causes the Avast Virus Definitions Update Failed error. Try removing all cache or clearing its data by following this guide to resolve the Virus Definitions Update Failed avg issue.

1. Navigate Settings on your Mobile, first of all.
2. Then click on the option Apps & Notification or Apps.
3. Touch the three-dot icon from the upper right corner to choose More settings.
4. Select the option Show system apps and then click on Google Play Store.
5. Choose the Storage option and the Clear cache button.
6. At Last, restart your mobile and see if the issue is resolved or not. If not, move towards the following technique to fix the error.

2. Corrupted system cache

A misconfigured system cache of the Avast Virus software could hinder the installation of its system update, resulting in the Avast mobile Virus Definitions Update Failed error. Try erasing the cache partition on your mobile device to resolve the issue.

• Shut down your mobile device.
• Keep pressing the Volume Up + Volume Down + Power buttons simultaneously to boot your mobile device into Recovery Mode.
• Leave all buttons alone when the mobile device’s logo appears. When Installing a system update is displayed, keep in mind that the Android system recovery menu options will not appear for 30 to 60 seconds.
• To select wipe cache partition, hit the Power and Volume buttons until you see yes.
• Keep pressing the Power button until the wipe cache partition is ended.
• At last, choose the Reboot system now and use the Power button to restart your mobile.

3. Manually Update the Virus Definitions

It will resolve the Avg virus definitions update failed issue by manually upgrading the virus definitions.

• Open Avast by tapping on its icon, selecting Update, and selecting Engine and virus definitions.
• Tap Check for updates and wait until Avast Antivirus installs any available virus definition updates.
• The status will read “Virus definitions are up to date” after the update is complete.
• Restart your mobile to see whether the Virus Definitions Update Failed issue still exists.

4. Factory Reset

If the workarounds above don’t resolve the Avast Antivirus Not Updating Virus Definitions, choose factory reset to restore your device to its default settings.

Warning: It may eliminate all of your info. Before performing a factory reset, you should therefore create a backup of every piece of data on your mobile phone.

Here are two methods for performing a factory reset on a mobile device. You may use either, but remember that both can result in data loss.

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Factory Resetting Using Settings

You must ensure your mobile has enough battery before performing the factory reset.

1. Firstly, go to Settings, then System.
2. Click Advanced and then select Reset Options.
3. Choose to Erase all data (Factory Reset), and if promoted, type the PIN.
4. Now hold on until the mobile completes its actions.

Factory Resetting Using Recovery Mode

• Shut down your mobile phone.
• Hit the Volume Down + Power buttons simultaneously, then hold until the screen enlightens, and start will appear on the screen.
• Use the Volume button to navigate & the Power button to select the options.
• Hit the Low Volume button for the Recovery mode and press the Power button to select.
• Now, it’ll start your mobile phone.
• Now hit Power+ Volume up buttons together & hold until Wipe data/Factory Reset will appear.
• Hit the Power button at Yes to confirm.
• Now hold on until the mobile completes its actions.
• Now, choose Reboot system, then find out whether or not the Avg Android virus definitions update failed error is resolved.

5. Contact Customer Support

Contact Avast Customer Care for assistance if the Avast mobile Virus Definitions Update Failed error persists after attempting the solutions above.