Can't refrain from posting this...
Some antivirus programs are just too irritating, they never uninstall properly.
Here are the tools to remove them from the system:
ftp://ftp.symantec.com/public/english_us_canada/removal_tools/Norton_Removal_Tool.exe - Norton removal tool for Vista/XP/2000
ftp://ftp.symantec.com/public/english_us_canada/removal_tools/Norton_Removal_Tool_9x.exe - Norton removal tool for Windows ME/98
Uninstall McAfee VirusScanUninstall McAfee Security CentreUninstall F-SecureUninstall Kaspersky