Avast Core Shields keeps disabling and not activating

On your Windows 11 or Windows 10 system, if Avast security software is installed, but you notice that the Avast File, Behavior, Web, Mail Core Shields keeps disabling and not activating on your device, this article is intended to help you with the most adequate solutions that you can apply to fix this issue. Core Shields are the main protection components of Avast Antivirus. All Core Shields are enabled by default to ensure maximum protection for your PC.

You are likely to experience this problem for one or more of the following reasons;

  • Incompatibility between the installed version of Avast and the operating system
  • Malware or bugs in the Avast app

Avast Core Shields keeps disabling and not activating

These Core Shields are enabled by default because they can protect your computer; thus, it is also strongly recommended to make sure to enable each of them. Thus, if one of Avast Core Shields – File, Behavior, Web or Mail Shield keeps disabling and not activating on your Windows 11/10 PC, you can try our recommended solutions below in no particular order and see if that helps fix the problem on your system.

  1. Initial checklist
  2. Start or restart the Avast antivirus service
  3. Fix issues in clean boot state
  4. Repair/Reinstall Avast

Let’s take a look at the description of the process involved regarding each of the listed solutions.

1]Initial checklist

Before trying the solutions below, you can do the following and, after each task, see if the Avast Web Shield can now be activated or activated without problems:

  • Restart the computer. Minor issues such as software glitches or the system not booting properly to load all services and processes can be fixed by simply restarting your device.
  • Run Avast with administrator privileges. Insufficient permissions can affect critical Avast features such as Core Shields. So, run Avast with admin privileges and see if you can enable Core Shields normally.
  • Update Avast. If there are any compatibility issues between the app and the operating system modules due to Avast obsolescence, the current problem is likely to occur. So make sure Avast is updated on your system – you can do this through the software’s Settings menu. Additionally, check that the version of Avast you are using is compatible with your current version/build of Windows; if not, update Windows accordingly.

2]Start or restart Avast antivirus service

Start or restart the Avast antivirus service

You can meet the Avast Core Shields keeps disabling and not activating on your Windows 11/10 PC if the Avast antivirus service is disabled or disabled, most likely after installing a new Windows update on your device. In this case, to fix the problem, you need to start or restart the Avast antivirus service as appropriate. To perform this task, follow these steps:

  • Hurry Windows key + R to invoke the Run dialog box.
  • In the Run dialog box, type services.msc and press Enter to open Services.
  • In the Services window, scroll down and locate the Avast Antivirus a service.
  • Double-click the entry to edit its properties.
  • In the properties window, click the drop-down menu on the Start type and select Automatique.
  • Then make sure the service is started. If it has already started, restart the service.
  • Click on Apply > OKAY to save changes.
  • Restart the computer.

If you receive the following error message when you click the Start button to start the Avast AV service:

Windows could not start the service on local computer. Error 1079: The account specified for this service differs from the account specified for other services running in the same process.

In this case, follow these steps to resolve the error:

  • In the Avast Antivirus service property sheet, click the To log in tongue.
  • Click on the Browse… button.
  • Under the Enter the name of the object to select field, enter the name of your user account.
  • Click on Check names and wait for the name to be recognized.
  • Click on OKAY when you are done and enter the password in the Password box when prompted if you have set up a password.
  • Click the Start button again. The service should now start without error 1079.

3]Clean Boot State Troubleshooting

Start your computer properly

Make sure that no other third-party antivirus works with Avast on your Windows 11/10 device. And since the issue in question can occur due to conflicting third-party apps, services, and processes, you can troubleshoot the issues in the Clean Boot state and see if that helps. You may need to uninstall any third-party apps that are likely identified as “conflicting” with Avast security software.

4]Repair/Reinstall Avast

Reinstall Avast

Some affected users reported that they were able to fix the problem by running a repair of the Avast program installed on their Windows 11/10 device. Avast comes with a repair feature built into the software itself; which means you can perform basic troubleshooting without having to reinstall the program. To fix Avast, you can follow the instructions in the guide on how to fix Avast Update Helper errors 1316, 1638, 1603.

If the repair did not fix the problem, you can simply uninstall Avast, then download the web installer or offline installer and reinstall the latest version of Avast on your system. You should be able to manually enable Core Shields if they are not automatically enabled after the clean reinstall.

I hope this helps you!

Similar item: Avast UI not loading on Windows 10

Why does my Web Shield keep disabling?

There can be a number of reasons why Web Shiled keeps shutting down on your Windows 11/10 device. Some users reported that Avast Behavior Shield stopped working after restarting or turning on their system, especially users who are using Avast 2018. The first solution to fix the problem is to update Avast to the latest version.

Is AVG Web Shield free?

HTTPS scanning is a component of Web Shield in AVG Internet Security and AVG AntiVirus FREE. HTTPS scanning protects your PC from malware delivered through TLS and SSL encrypted HTTPS traffic while browsing the web. This feature is enabled by default, but you can disable it in Web Shield settings.

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