Troubleshoot Guide

How to Fix Mac OS is Infected Error on the System?

In this ever-evolving world of computer systems and technology, Mac users occasionally encounter the troubling message that their system is infected. This error, signalling a potential security breach on a Mac operating system, can induce panic and confusion among users who traditionally consider Macs as unbreakable to malware. An error that appears when you open your system is present on Mac OS. This malicious push notification pretends to be from a well-known antivirus installed on your PC, like McAffee Avast or Norton. Today, in this guide, we will help you understand this error and will guide you to Fix System Mac OS Infected Error.

While Mac OS is known for its robust security features, no system is immune to threats. Mac OS’s whole purpose is to infect errors to lead you to their phishing link and other malicious websites where the actual viruses are present. We are here if you are also facing the same issue and need help to remove it. In this guide, we will show you how you can fix this fake system error that pretends to be your antivirus detecting a virus.

How to Fix Mac OS is Infected Error on the System

System: What Is It? Error: Mac OS is Infected

Understanding how to address the System Mac OS Infected error is crucial for users to regain control, secure their data, and restore the integrity of their operating system. As you can guess, this System Mac OS is infected. It is nothing to worry about your system as it is just a spam message whose whole purpose is to make you click on the link to lead you to the malicious website.

Your browser will display this pop-up message; to resolve it right now, quit the page and relaunch the browser. This Push notification arrives because you have permitted that website to send you the push notification. The good news is that you can easily remove these malicious websites’ push notifications by following a few steps.

How do you fix Mac OS if there is an infection error on the system?

If you want to get rid of the system, the Mac OS is infected, and the error code that we have already explained is nothing but a SCAM. Here are the recommended steps that you should follow to fix it.

Method 1: Disable Website Notifications

  • Open your Safari browser
  • Now locate “Websites” by scrolling down and clicking on it.
  • Now, find “Websites” by scrolling down and clicking on it.
  • Click on Notification.
  • Now, Remove all the Websites that are listed.
  • Websites can request authorization to send notifications by using Untick.

Method 2: Remove suspicious extensions

This is another way of fixing this issue. We will check for all the extensions installed in the browser to see if any malicious activity is happening from the browser extensions. Follow the below-given steps carefully.

  • Click on the Safari menu in the menu bar and go to preference.
  • A new window will open up. This is your preference tab. In general, feel free to customize your homepage.
  • To view your extension screen, select the Extension tab now.
  • Remove all the unknown extensions from the list. This extension might be the one sending these errors.

Method 3: Remove all data

  • Navigate to the privacy tab in the same preference window now.
  • Now, click on the website data button.
  • A dialogue box will appear. Click on Remove All and confirm it.
  • Restart your Browser.

Method 4: Clear the Cache of your Browser

  • No, from the same Safari Menu bar.
  • To access the advanced tab, navigate to preferences.
  • Now enable the “Show Desktop” check box.
  • Choose Develop from the provided menu bar, then click on Empty Caches.
  • Restart your browser again.

Method 5: Reset Browser Settings to Default

If the steps above do not work out, reset your browser to the default settings. This will undoubtedly remove spam and push notifications to any malicious extension and unwanted browser settings that lead to this issue. By resetting a browser, you will lose all your attachments, including the toolbar and other customizations you have done on your browser. But your bookmarks will remain as they are.


This concludes our tutorial on fixing the “System Mac OS is Infected Error. We have listed all the possible methods by which you can fix this “The system Mac OS is infected” error. All the methods listed above are proven. You have to follow the steps carefully. You can also run a deep scan for your Mac to double-check that the malware is being removed.

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