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Fix problems opening Norton device security for Windows

To fix the problem, restart the computer.

If you experience this problem with Norton Secure VPN on Windows, read Fix problem opening Norton Secure VPN.


Restart the computer

  1. Exit all programs.

  2. Restart the computer.

    If the problem persists, go to Step 2.


Download and run the Norton Remove and Reinstall tool

    If you have Norton Family installed, uninstall it before you run the Norton Remove and Reinstall tool.

  1. Download the Norton Remove and Reinstall tool.

  2. Press Ctrl + J key, to open the Downloads window in your browser.

  3. Double-click the NRnR icon.

  4. Read the license agreement and click Agree.

  5. Click Remove & Reinstall.

    If you received your Norton product from your service provider, you may see the Remove button instead.

  6. Click Continue or Remove.

  7. Click Restart Now.

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

Need more help?

Before you begin troubleshooting

  • Before you begin troubleshooting

    Step 1: Check if system date and time are current

    • Yes: Go to Step 2.

    • No: Correct the System date and restart the computer. Run LiveUpdate from the taskbar.

    Step 2: Check for the latest product version and Windows updates

    • Yes: Go to Step 3.

    • No: Upgrade product to latest version with customer's consent. Also run Windows updates.

    Step 3: Check if System Restore was performed

    • Yes: Use NRnR to uninstall and reinstall the product.

    • No: Go to Step 4.

    Step 4: Check the computer for threats

    • Yes: Run a complete scan with NPE.

    • No: Proceed with normal troubleshooting.

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DOCID: v64233471
Operating System: Windows
Last modified: 07/23/2021