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Message: "Update Failed: Please try again or click Details for more information." on Norton for Mac

To fix this problem, exit all programs and restart your Mac and then update Norton.

If the problem persists, uninstall and reinstall Norton.

STEP 1

Uninstall Norton device security

    Before you follow the below steps, ensure that you close your Norton application, if it is already opened.

  1. On your Mac, click the Finder icon in the dock, and then click Applications in the left pane under Favorites section.

  2. Find the Norton application icon and drag it to the Trash.

  3. click Continue to allow Norton to remove the system extension.

  4. When prompted, type your administrator account password, and then click OK.

  5. In the window that appears, click Uninstall.

  6. When prompted, type your administrator account password, and then click Install Helper.

  7. 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.

  1. Download the RemoveNortonMacFiles.zip file.

  2. Click the Finder icon in the Dock.

  3. In the Finder window, click Downloads in the left pane under Favorites.

  4. Do one of the following:

    • If you downloaded the file using Safari browser, open the RemoveNortonMacFiles folder.

    • 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.

  5. 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.

  6. In the Terminal window, type your administrator password, and then press return.

    When you type your password, no characters appear.

  7. To remove all Norton files and folders, type 1.

    If you want to quit RemoveNortonMacFiles without removing any files, type 2.

  8. Press return.

    RemoveNortonMacFiles tool removes all of the Norton files.

  9. 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

    To install Norton for Mac 8.x or later, you need to have Mac OS X 10.10.x or later.

  1. Sign in to your account.

  2. Type in your email address and password for Norton, and click Sign In.

    If you do not remember your Norton account password, then click Forgot username or password? and follow the on-screen instructions to recover your lost password.

  3. In the My Norton portal, click Download.

  4. In the Get Started page, click Agree & Download.

  5. Depending on your operating system, select one of the following:

I have macOS 11.x (Big Sur)
I have macOS 10.15.x (Catalina)

The solution made it easy for me to handle my issue.

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DOCID: v135649635
Operating System: Mac OS X
Last modified: 11/17/2020