Trojan Horse viruses are one of the biggest threats on the internet. It is reasonable for a user to be concerned about them but if you have a Norton product installed you will be safe. Norton Antivirus can successfully detect and remove Trojan horses. By using LiveUpdate, administrators available can download to a computer the latest virus definition which can help the scan engine with needed information to find any existing and emerging threats on the system. After the Norton Antivirus has been updated, admins should do a virus scan in the SafeMode and search for Trojans. This software will allow you to quarantine, delete or restore the infected files that were found.