Error: “8506,421”

(Last Updated On: February 26, 2018)

  1. Download the Norton Removal Tool.

    Save the file to the Windows desktop.

  2. On the Windows desktop, double-click the Norton Removal Tool icon.

  3. Follow the on-screen instructions.

  4. Restart your computer.

    After the computer restarts, follow the on-screen instructions to reinstall your Norton product.


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