GuidesError FixesAvast: This Site May Have Harmed Your Computer

Avast: This Site May Have Harmed Your Computer [FIXED]

You can update the software, disable Avast protection, or turn off specific protection to resolve the error.

Oftentimes, Avast may inappropriately mark websites as harmful with the message, “This site may have harmed your computer.” Luckily, we tried accessing the website despite the error message by updating Avast, turning off Core Shields, and other ways discussed in this guide.

Key Takeaways

  • The error may occur if your Avast software is outdated or if there are glitches or temporary bugs in the system.
  • Disable HTTPS Scanning and Web Shield to prevent Avast from blocking websites unnecessarily.
  • You may want to disable Avast Protection altogether if the trouble persists.

Why Do You See The Error Message On Avast?

You may come across this message while navigating websites on your web browser. The message indicates that the chosen website contains malicious content or malware or virus that can pose a threat to your computer. On the other hand, problems in the antivirus software can also cause an unwanted appearance of this pop-up. 

"This Site May Have Harmed Your Computer"
This Site May Have Harmed Your Computer

Also Read: Computer Turns On, But No Signal To Monitor

How To Fix Avast “This Site May Have Harmed Your Computer” Issue?

Before proceeding to other fixes, try the common troubleshooting methods for a computer, such as restarting the browser or power cycling the PC.

Update Avast

Search for the latest updates for Avast and install them if needed to prevent the antivirus from malfunctioning or blocking safe websites.

Perform an Avast update with these steps:

  1. On the “Status” dashboard, navigate to the “Menu” button and click on it.
    Menu Bae
    Menu Bar (Image By Tech4Gamers)
  2. Pick “Settings” from the side menu.
    Settings
    Settings (Image By Tech4Gamers)
  3. Go to the “General” sub-section.
  4. Highlight “Update” on the left menu bar and press “Check For Updates.”
  5. If it says, “Your Application Is Up To Date,” no latest updates are available for the software. However, install the updates if it prompts otherwise.
    Check Updates
    Check Updates (Image By Tech4Gamers)

Turn Off Protection Protocols

One more fix we tested was turning off particular settings in the Avast app. Doing so lets you bypass Avast protection when surfing different websites on your browser.

Here are the instructions to disable Avast security protocols:

  1. Open the “Protection” menu on the “Settings” screen.
  2. Head to “Core Shields.”
  3. Come to the “Web Shield” tab on the options panel.
  4. Remove the tick from the boxes “Enable HTTPS Scanning” and “Enable Web Shield.”
    Disable Shields
    Disable Shields (Image By Tech4Gamers)
  5. Return to the dashboard and try accessing the website.

Also Read: Undoing Changes Made To Your Computer 

Add Exceptions

You can prevent Avast from blocking certain websites on your computer by adding them to the “Exceptions” list.

Follow the steps below to add a URL to Avast Exceptions:

  1. Again, launch “Settings.”
  2. Pick “General” and choose “Exceptions.”
  3. Click on “Add Exception.”
    Exceptions
    Exceptions (Image By Tech4Gamers)
  4. Copy the URL of the website you are facing the issue with and paste it into this window.
  5. Hit the green button, “Add Exception.”
    Add Exception
    Add Exception (Image By Tech4Gamers)

Repair Avast App

While testing the fixes, we noticed that the problem could lie within the Avast antivirus software. Hence, we used the “Repair App” option in the menu and got access to the website upon refreshing the browser.

These steps will help you repair the Avast Installation Program:

  1. Pick the “General” tab on the “Settings” interface.
  2. Navigate to th least option, “Troubleshooting,” and select it.
  3. Hit the “Repair App” button.
    Repair App
    Repair App (Image By Tech4Gamers)

Reset Avast To Default Settings

Another possibility is misconfigured settings in the app. We switched everything back to default in the Avast settings, restarted the computer, and the error was gone.

Also Read: How To Fix Your Computer Has A Virus Error

Temporarily Disable Avast Antivirus

Additionally, you can disable the antivirus service on your computer for some time and see if you can get to the site without any trouble.

Disable Avast Antivirus temporarily by following these instructions:

  1. Go to “Core Shields” in the “Protection” section.
  2. Turn off all the “Core Shields” via the toggle switch by clicking on it.
    Core Shields
    Core Shields (Image By Tech4Gamers)
  3. Select the “Time Duration” from the pop-up.
    Select Duration
    Select Duration (Image By Tech4Gamers)
  4. Hit “OK, Stop.”
    Stop
    Stop Avast (Image By Tech4Gamers)
  5. The color of the toggle bar will change from green to red.
    Core SHields
    Core Shields Off (Image By Tech4Gamers)

Also Read: PC Stuck On Motherboard Screen 

Report To Avast

If you think that Avast is falsely labelling a website as harmful, you can report the false positive error on its website. Open the False Positive File Form on the official Avast website and fill in the details, including the URL of the affected website. Submit the form and see what the team says about the situation.

Uninstall Avast

You can delete the antivirus software from your computer if the error persists. Alternatively, you can resort to other trusted antivirus programs like McAfee or Norton.

Use these steps to uninstall Avast from your PC:

  1. Launch the “Settings” page on your PC.
  2. Go to “Apps.”
    Apps
    Apps (Image By Tech4Gamers)
  3. On this screen, you will view all the installed apps in a list form.
  4. Click on “Avast” and press the “Uninstall” button.
    Uninstall
    Uninstall (Image By Tech4Gamers)

Also Read: Nvidia Display Driver Failed To Start

Final Words

Our team tested these solutions when Avast prevented us from accessing websites with the message, “This site may have harmed your computer.” Bypassing Avast’s warning may not be a good idea, so only access the site if you are sure it poses no risks to your data.

Frequently Asked Questions

What Does The Avast Error Message Mean?

The message mostly indicates that the site you are trying to use has malicious or harmful content that can damage the data on your computer

How Do I Access The Website Despite The Message?

Disable Avast protection, modify a few settings in the software and uninstall the antivirus program to access the site.

Can Avast Show False Positives For Safe Websites?

Yes, Avast might unnecessarily flag websites as harmful. However, you can still access the site by overriding the warning message.

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