To fix this problem, uninstall any third-party security software that was installed on your Mac. If the problem persists, run a removal tool to remove the remnants of security software.
Norton Security 2015 for Mac helps keep your computer safe from various types of external threats. There are plenty of ways to customize your user experience to get the most possible out of this app. Norton and macOS Catalina (10.15.x) As of Oct 7, 2019, new macOS Catalina (10.15.x) is now available, and users running Mac OS X 10.9.x (Mavericks) or later can upgrade to it for free. The following FAQ answers your queries related to your Norton products on macOS Catalina. Is my Norton product for Mac compatible with the new macOS Catalina?
Uninstall the third-party security software
Click the Finder icon in the Dock to be in the Finder.
On the menu bar, click Go > Applications.
Do one of the following:
If an app isn't in a folder or doesn't have an Uninstaller, drag the app from the Applications folder to the Trash, then choose Finder > Empty Trash.
If the app is in a folder, open the app's folder to check for an Uninstaller. If you see Uninstall App or App Uninstaller, double-click it.
Follow the on-screen instructions to uninstall the app.
After completing the uninstall, restart your Mac and install Norton.
If the problem persists, go to step 2 to run the RemoveCompetitiveProducts tool.
Download and run the RemoveCompetitiveProducts tool
Norton Security Software For Mac Computer
Download the RemoveCompetitiveProducts tool.
Unless you save it elsewhere, the file is downloaded into the Downloads folder.
Click the Finder icon in the Dock to be in the Finder.
On the menu bar, click Go > Downloads to go to the Downloads folder.
In the Downloads folder, double-click the RemoveCompetitiveProducts.zip file to expand it.
If you use Safari, the file is automatically extracted after you download it. Skip to line 5 to open the file in Terminal.
In the Downloads folder, right-click or control-click the RemoveCompetitiveProducts.command file, and then click Open With > Terminal (default).
If you see a prompt that the tool is from an unidentified developer, click Open Flash animation software free for mac. to continue.
In the Terminal window, type your administrator password to authenticate, and then press return. When you type your password, no characters appear.
After the tool finishes removing the third-party security software and its remnants, it displays the message 'Competitive Products of Norton removed successfully'.
Exit all programs, and restart your Mac.
After you restart your Mac, reinstall your Norton product.
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For more information about removing a third-party security software on Mac, refer to the following support links:
If you need further assistance with removing a third party security products from your computer, contact the corresponding product technical support.
Norton Internet Security For Mac
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