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Why McAfee total protection error while installing updates on Mac.

Here's how to fix McAfee total protection error while installing updates on Mac.
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When installing updates on a Mac, why do we get an error with McAfee total protection?

When Web Security for Mac tries to upgrade to macOS 10.13, you can get an error (also called macOS High Sierra). Mac updates, both automatic and manual, display an error message stating that an error occurred when installing the updates. This problem could be caused by the Net Security for Mac kernel extension not being accepted, or by a stumbling block in your firewall or browser settings. To fix McAfee total protection error while installing updates on Mac, continue reading.

To Fix McAfee total protection error while installing updates mac

The following is a solution to the McAfee Total Protection error that occurs when installing updates on a Mac:

Simply follow the steps below to resolve the McAfee comprehensive protection error while installing an update on your Mac.

Step 1: Allow the internet to function. Macintosh kernel extension security:

If an app utilizes a kernel extension to modify some tasks in macOS High Sierra, you must explicitly authorize the kernel extension when you install the program. The program may not function properly if you do not authorize the kernel extension.

To execute certain activities, Internet Security for Mac needs a kernel extension (also known as a kext). This is a case that must be accepted. The key can be authorized either within the app or in the System Preferences.

Steps for McAfee Total Protection Error They can select one of the following options when installing updates on their Mac:

Allow kernel extensions to the web security of the Macintosh app.

  • On your desktop, go to the Apple menu in the upper left corner.
  • Select System Preferences from the drop-down menu.
  • Select Security & Privacy.
  • A notification will appear saying: System software from the developer “McAfee, Inc” has been prevented from loading.
  • Allowing the extension to function is as simple as clicking the Allow button.

Step 2: Changing the firewall’s settings:

Your firewall settings may need to be changed if you have recently upgraded to macOS High Sierra. This update may cause the firewall to prevent web security for the Mac from changing. Follow these steps to check and change your firewall settings:

Apps for third-party firewalls

  • Check to determine if you have any firewall software installed. Within the
  • Applications folder, you’ll find all of your installed apps.
  • If you have a firewall installed, check that Web Security for Mac is authorized and not prohibited.
  • After that, save all of your modifications.

McAfee Firewall

  • Check to determine whether any firewall applications are active. The Applications folder contains all of your installed apps.
  • If you have a firewall installed, make sure Internet Security for Mac is authorized and not blocked.

Make a backup of your modifications.

  • On the menu bar, select the McAfee menulet.
  • Select McAfee LiveSafe – Internet Security Console
  • Select Mac Security from the menu bar.
  • Then select Firewall
  • To make changes, click the lock and key in your password.
  • Change the type to Home or Work in the Public.
  • To save your changes, click the lock again.
  • After you’ve changed your firewall settings, try again for an update. Continue to Step 3 if you see the same error message.

Step 3: In Safari, clear your cookies and cache:

It’s possible that clearing your expedition cookies and caches will solve the problem. Your browsing history and saved passwords are not erased when you clear your cookies and caches.

  • Launch Safari.
  • Go to Preferences from the drop-down menu in Safari.
  • Select the Privacy option.
  • Now Select Manage website information from the drop-down menu.
  • Then select Remove All.
  • Now click Remove Currently.
  • Click the “Done” button.
  • Restart your Macintosh computer.

After your Mac has restarted, try the update again. Continue to Step 4 if you receive the same error message.

To save your changes, click the lock once more.

Step 4: Reinstall Web Security for Mac:

If you’re still getting the error message after trying all of the previous procedures, it’s necessary to reinstall Web Security for Mac.

  • Follow the instructions in TS100342 to transfer and install the McAfee client product.
  • Once the installation is finished, restart your Mac.
  • Reinstall the update if necessary.

As a result, to fix the McAfee total protection problem while installing updates on a Mac, follow these steps.

After you’ve made the changes to your firewall settings, try again for an update.

Continue to Step 3 if you receive the same error message.

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