FRISK Software is no longer offering virus definition files for version 3 of F-PROT Antivirus for public download.
Users are expected to upgrade to version 6.
For guidelines on how to upgrade from version 3 to version 6 please see the following web page:
NB: Users of F-PROT Antivirus for Windows and F-PROT Antivirus for Exchange are advised to use the Updater component to manage updates of the virus signature files. Users of F-PROT Antivirus for Linux x86, for BSD x86, for Solaris x86 , for Solaris SPARC, for AIX on IBM pSeries and for Linux on IBM zSeries are advised to use the check-updates.pl script (e.g., as a cron job) to manage updates of the virus signature files.