Trend is also the anti-virus vendor recommended by Microsoft for Exchange.
Make sure you have an anti-spyware program and an anti-virus program running.
Kaspersky® Anti-Virus for Windows Workstations is a comprehensive solution designed to protect workstations against viruses and malicious programs.
Sophos Anti-Virus is one of the first vendors to attain independent certification of their ability to protect Windows 2000 users from virus attack.
Your new PC will come bundled with Norton or MacAfee limited subscription anti-virus programs which can protect you against some virus infections, but are limited on spyware.