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Applicable for: Mac
Message: "Norton Security cannot be opened because of a problem" on Mac
To fix this problem, uninstall your Norton device security product and then download and install it.
Uninstall Norton
Before you follow the steps below, ensure that you close your Norton application if it is already open.
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At the top of your home screen, in the Apple menu bar, click Go > Applications.
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Scroll down and double-click Norton Uninstaller.
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When the Norton uninstaller window appears, click Continue.
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When prompted, type your administrator account password, and then click Install Helper. This is usually the username and password you use to log in to your Mac.
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Wait while the uninstaller removes the Norton product from your Mac.
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When prompted, type your administrator account password, and then click OK.
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When the confirmation message appears, click Finish, or optionally click Continue to complete the uninstall survey.
Your Norton product is now uninstalled from your Mac.
Install your Norton product
Before downloading the latest installer setup file, ensure that you delete all older installer setup files from the Downloads folder.
Refer to the following article for detailed instructions: Download and install Norton device security product on Mac
Last modified: 11/25/2025
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