This problem can happen due to conflict with a non-Symantec security product installed on the computer. To fix the problem, remove the non-Symantec security product. If the problem persists or if you do not have a non-Symantec security product installed, uninstall and reinstall your Norton product.
Press the+ keys to open the Run dialog box.
Type in the following text, and then press.
In the list of currently installed programs, select the non-Symantec security product, and then clickor .
If the User Account Control window appears, click .
Follow the on-screen instructions.
Exit all programs, and restart the computer.
If the problem persists, go to Step 2.
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 the Windows desktop, double-click theicon.
Read the license agreement, and click.
Click, and follow the on-screen instructions.
After the computer restarts, follow the on-screen instructions to reinstall your Norton product.
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