I can't use Norton Internet Security - Computers & Internet

You can download Norton Internet Security 2010 Antivirus from Norton official website.
All you need to do is that put the serial number after the installation.

Norton Antivirus Installation

just reinstall the program that is the easy thing to do

error message actually points to a LiveUpdate problem,which could just be a problem with your installation. Instead of uninstalling Norton and reinstalling it, please try the procedure below.

Please click on the link below and follow the instructions carefully.

Fix for LiveUpdate Error

After you complete the steps in this document, please check that your LiveUpdate settings by doing the following:

1. Launch Norton Internet Security from Start-.>All Programs->Norton Internet Security,> and then choose "Norton Internet Security" from the sub-menu.

2. Click on the "Norton Internet Security" tab at the top of the window.

3. Click on the arrow next to "Settings" to expand it's options.

4l. Next click on "Automatic LiveUpdate." It should say "On." If not please click on it and then click on the "Turn On" button. When Automatic LiveUpdate is turned on, as long as you are connected to the internet and logged in to Windows, LiveUpdate will check for and install updates up to 3 times per day. This is the best way to keep Norton Internet Security up to date and running smoothly.

STEP 1 Log on using the Supervisor account

1 Start Norton Internet Security.
2 In the Norton Internet Security window, in the left pane, click User Accounts.
3 The account that you are logged on as is displayed after "you are logged on as:"
4 Click Log Off.
5 In the Confirm dialog box, click Yes.
6 Click Log On.
7 In the Log on dialog box, in the Account Name list, click Supervisor.
8 In the Password field, type your password.
If you have never assigned a password to the Supervisor account, leave this field blank.
9 Click OK.


STEP 2 Turn on or turn off Norton Internet Security

1 Start Norton Internet Security.
2 In the left pane, click Status & Settings.
3 Click Security.
4 Click Turn on or Turn off.