| Checking for Norton AntiVirus Definition Updates Manually |
| Open Norton AntiVirus. |
Click the LiveUpdate button.
 |
Click Next.
 |
If LiveUpdate finds any updates make sure they are checked off and click Next.
 |
LiveUpdate will now download and install the new virus definitions. When LiveUpdate is finished click Finish. You may be prompted by Norton Antivirus to restart your computer, but in most cases you will not receive this message.
 |
| That's it. Now you will be protected from all known viruses. |