This problem can happen if you have a previous version of Norton installed on your Mac. To fix this problem, uninstall and reinstall Norton.
Before running the RemoveNortonMacFiles tool, make sure that you have uninstalled the Norton device security product on your Mac.
STEP 1
UNINSTALL NORTON DEVICE SECURITY
Before you follow the below steps, ensure that you close your Norton application, if it is already opened.
- On your Mac, click the Finder icon
in the dock, and then click Applications in the left pane under Favorites section.
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Find the Norton application icon and drag it to the Trash.
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click Continue to allow Norton to remove the system extension.
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When prompted, type your administrator account password, and then click OK.
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In the window that appears, click Uninstall.
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When prompted, type your administrator account password, and then click Install Helper.
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Click Restart Now.
STEP 2
DOWNLOAD AND RUN REMOVENORTONMACFILES AS AN ADMINISTRATOR
RemoveNortonMacFiles removes all the folders that Norton installers created, and all the files within those folders including any that you have created.
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Download the RemoveNortonMacFiles.zip file.
- Click the Finder icon
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In the Finder window, click Downloads in the left pane under Favorites.
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Do one of the following:
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If you downloaded the file using Safari browser, open the RemoveNortonMacFiles folder.
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If you downloaded the file using the Mozilla Firefox or Google Chrome browsers, double-click the RemoveNortonMacFiles.zip file to expand it, and then open the RemoveNortonMacFiles folder.
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In the RemoveNortonMacFiles folder, control-click the RemoveNortonMacFiles.command file, and then click Open with > Terminal (default).
To run this tool, you must be logged on with an Administrator account and a non-blank password.
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In the Terminal window, type your administrator password, and then press return.
When you type your password, no characters appear.
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To remove all Norton files and folders, type 1.
If you want to quit RemoveNortonMacFiles without removing any files, type 2.
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Press return.
RemoveNortonMacFiles tool removes all of the Norton files.
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When the RemoveNortonMacFiles tool finishes removing the Norton files, in the Terminal window, type y, and press return to restart your Mac.
Before you press return, make sure that you save your work in other open applications.
STEP 3
DOWNLOAD NORTON DEVICE SECURITY
Before you download the latest installer setup file, make sure that you delete all the older installer setup files available in the Downloads folder.
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Sign in to your account.
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Type in your email address and password for Norton, and click Sign In.
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In the My Norton portal, click Download.
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In the Get Started page, click Agree & Download.
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When the download finishes, double-click the file that you downloaded to launch the Norton installer.
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Before you install Norton, click Norton License Agreement to read the product license agreement.
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Depending on your operating system, select one of the following: