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IS YOUR COMPUTER SLOW? RUN LIKE NEW

If they are not maintained, computers lose performance over time. Norton Utilities Ultimate can help significantly improve the performance of your Windows computers.

Applicable for: Mac

Error: "Could not add Norton extensions..." when trying to install Norton extensions on your Mac

To resolve this issue, update your browser app to the latest version and restart your Mac.

  1. Open the App Store app on your Mac.

  2. In the left sidebar, click Updates.

  3. Click Update next to the browser app to update the app to the latest version.

  4. Exit all open applications and restart your Mac.

DocID: v20221020175049488
Last modified: 06/28/2025

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