Start your Norton product.
Depending on your Norton product, do one of the following:
For Norton AntiVirus or Norton Internet Security: In the main window, click.
For Norton 360: In the main window, click, and then click Run .
When Norton LiveUpdate is finished, clickor .
If the Definitions Updates are not updated, or if you receive any error message, restart your computer and run LiveUpdate once again.
If the problem persists even after you restart the computer, go to Step 2.
The Norton Remove and Reinstall tool uninstalls all Norton products from your computer, and reinstalls the latest version of your Norton security product. If you have any other utility products like Norton System Works, Norton Ghost, pcAnywhere, or Norton Utilities, you have to reinstall them manually. Before you proceed, make sure that you have the installation CDs or the downloaded installation files of those products.
If you have received your Norton product from your service provider, skip this step and, use the Norton Removal Tool. To download and run the Norton Removal Tool, go to the Norton Removal Tool download page.
Download the Norton Remove and Reinstall tool.
Save the file to the Windows desktop.
On the Windows desktop, double-click theicon.
Follow the on-screen instructions.
Restart the computer.
Your computer may be restarted more than once, and you may be asked to repeat some steps after the computer restarts.
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