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.
STEP 1: Uninstall the third-party security software
- Click the icon
in the Dock to be in the Finder. - On the menu bar, click > .
- 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 > .
- 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.
STEP 2: Download and run the RemoveCompetitiveProducts tool
- Download the RemoveCompetitiveProducts tool.
Unless you save it elsewhere, the file is downloaded into the Downloads folder.
- Click the icon in the Dock to be in the Finder.
- On the menu bar, click > to go to the Downloads folder.
- In the Downloads folder, double-click the 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 > .
- If you see a prompt that the tool is from an unidentified developer, click to continue.
- In the Terminal window, type your administrator password to authenticate, and then press . 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.
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.
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Source : Official Norton Brand
Editor by : BEST Antivirus KBS Team