Error: "9999,201"
This error can happen if a LiveUpdate patch fails to install. To fix the problem, download and run the Norton Remove and Reinstall tool.
Run the Norton Remove and Reinstall tool
If you have Norton Family installed, uninstall it before you run the Norton Remove and Reinstall tool.
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Download the Norton Remove and Reinstall tool.
Save the file to the Windows desktop. On some browsers, the file is automatically saved to its default location.
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To open the Downloads window in your browser, press the Ctrl + J key.
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Double-click the NRnR icon.
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Read the license agreement, and click Agree.
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Click Advanced Options.
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Click Remove Only.
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Click Remove.
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Click Restart Now.
After the computer restarts, follow the on-screen instructions to reinstall Norton. If you have any issues with reinstalling Norton, read Download Norton on your device.