This error can occur after you upgrade your Norton product. Usually, restarting the computer fixes the problem in most of the cases. If restarting does not fix the problem, then download and run the Norton Remove and Reinstall tool.
Exit all programs.
Restart the computer.
If the problem persists, go to Step 2.
If you have Norton Family installed, uninstall it before you run the Norton Remove and Reinstall tool. If you have received your Norton product from your service provider, skip this step, and run the Norton Removal Tool.
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.
To open the Downloads window in your browser, press the+ key.
Read the license agreement, and click.
After the computer restarts, follow the on-screen instructions to reinstall your Norton product.
Thank you for using Norton Support.
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