With high speed internet, the symantec a/v definitions should stay up to date and eliminate the need to update them quarterly. The problem is that the window with a dial up connection is too short and it can't get the definitions down in the time allotted over dial up. Once they are out of date by more than 10 days, a whole dat file update is required.
High speed computers should not have a problem with this.
I've been meaning to research this issue for some time, because I have always doubted that Symantec AV definitions were being downloaded. But I never got around to researching the issue until tonight. I finally examined it in detail, and I find no evidence that AV definitions are ever
downloaded automatically. I would note that every one of the computers in our stake now has a broadband Internet connection, and what I am about to say was true when we were on dial-up and is true now that we are on broadband.
On Desktop 5.5, Symantec Antivirus is configured so that LiveUpdate is disabled. It has been disabled in such a way that there is no way (short of somehow hacking through LANDesk or Symantec AV) to turn LiveUpdate on. Now of course that doesn't mean that the Church can't turn on LiveUpdate -- of course they can, but they have not yet chosen to do so.
Not only is LiveUpdate turned off, but the Church also never downloads any new Antivirus definitions through any other means. I guess I can't be 100% sure of this "never" claim I am making, but every time I go to update the virus definitions, the date of the current definitions is 2-3 months in the past. At this moment, the definitions on our stake administrative computer are dated 4/6/2008. I know (because it was General Conference weekend) that that was the last date I manually updated the virus definitions. If the Church is updating the definitions, it is less often than every three months. But I really doubt that it ever happens.
I'd love to see evidence to the contrary, as it would save me the effort of going around to all the computers in the stake every three months to update AV definitions, but everything I see tells me that no automatic updates are happening; Symantec is never trying to download new definitions, and the Church is almost certainly not trying to download them either. At this point, those updates happen ONLY manually, when Stake Technology Specialists update AV definitions they have downloaded at least once every three months, as required in the Desktop 5.5 instructions.