This is the latest virus pattern to detect the latest viruses. This update will work on the following products: Norton Anti virus 2000 for Win9x/NT/2000, Norton Anti virus 2001 for Win95b/98/NT/2000/Me, Norton Anti virus 2002 Professional Edition, Norton Anti virus 2002 for Win98/Me/NT/2000/XP Home/XP Pro, Norton Anti virus 4.0 for Windows 3.51, Norton Anti virus 5.0 and 2000 for Win9x, Norton Anti virus 5.0 and 2000 for WinNT, Norton Anti virus for Firewalls 1.5 or higher, Norton Anti virus for Lotus Notes (Intel), Norton Anti virus for MS Exchange (Intel), Norton SystemWorks (all versions), Norton Utilities for Windows 95/98 (all versions), pcAnywhere32 7.5 and higher for WinNT.