Security Software Antivirus Software Norton AntiVirus Definitions

Norton AntiVirus Definitions 09/22/2016 for Windows

by Symantec Corp.

Avg. Rating 4.3 (483 votes)

File Details

File Size 52.6 MB
License Freeware
Operating System Windows 7/8/10/Vista/XP
Date Added
Total Downloads 218,944
Publisher Symantec Corp.
Homepage Norton AntiVirus Definitions

Publisher's Description

As new threats emerge, Symantec immediately builds new protection updates and makes them available for download.

Latest Reviews

mikebray

mikebray reviewed v04/26/2011 on Mar 12, 2014

top notch!

paulperry

paulperry reviewed v04/26/2011 on Aug 24, 2013

5 stars obviously

kerimachin

kerimachin reviewed v04/26/2011 on Jul 22, 2013

essential. obviously.

sheinaya

sheinaya reviewed v04/26/2011 on Jul 21, 2012

try ca anti virus, for me its the best, real time scanner is very light, unlike other anti-virus makes your PC stuck at 5-10secs.
I have a copy, license will expire on 2015,
you can download it here>> ca-anti-virus dot weebly dot com.

kronos1962

kronos1962 reviewed v06/22/10 on Sep 5, 2010

Jeff why would anyone use a 2003 version? Besides from 2009 Norton re-wrote the entire program.

Jeff_56

Jeff_56 reviewed v06/22/10 on Jun 24, 2010

For around 6 weeks, the 2003 versions - and some others don't work anymore after an update of the virus definitions. No support from Symantec and, naturally no fix.

Just look at their forum

http://community.norton....rror/td-p/230756/page/8

CyberDoc999

CyberDoc999 reviewed v11/11/09 on Nov 13, 2009

Bloated slow

uberfly

uberfly reviewed v6/18/09 on Jun 19, 2009

Why are antivirus definitions even on Fileforum?

some guy

some guy reviewed v4/1/09 on Apr 3, 2009

bloat resource hog. poor detection rate. Avira or nod32 or kaspersky are your 3 best bests I prefer Avira over all just my 2 cents

Letterman

Letterman reviewed v12/1/08 on Dec 1, 2008

First try 2009 then comment, otherwise you're spamer. 2009 symantec product are real revolution.
Much faster, much flexible [2]

Avg. Rating 4.3 (483 votes)
Your Rating

Someone reviewed v on Mar 19, 2023

Pros:

Cons:

Bottom Line:

Someone reviewed v on Jul 5, 2022

Pros: 555

Cons: 555

Bottom Line: 555

mikebray

mikebray reviewed v04/26/2011 on Mar 12, 2014

top notch!

paulperry

paulperry reviewed v04/26/2011 on Aug 24, 2013

5 stars obviously

kerimachin

kerimachin reviewed v04/26/2011 on Jul 22, 2013

essential. obviously.

sheinaya

sheinaya reviewed v04/26/2011 on Jul 21, 2012

try ca anti virus, for me its the best, real time scanner is very light, unlike other anti-virus makes your PC stuck at 5-10secs.
I have a copy, license will expire on 2015,
you can download it here>> ca-anti-virus dot weebly dot com.

kronos1962

kronos1962 reviewed v06/22/10 on Sep 5, 2010

Jeff why would anyone use a 2003 version? Besides from 2009 Norton re-wrote the entire program.

Jeff_56

Jeff_56 reviewed v06/22/10 on Jun 24, 2010

For around 6 weeks, the 2003 versions - and some others don't work anymore after an update of the virus definitions. No support from Symantec and, naturally no fix.

Just look at their forum

http://community.norton....rror/td-p/230756/page/8

CyberDoc999

CyberDoc999 reviewed v11/11/09 on Nov 13, 2009

Bloated slow

uberfly

uberfly reviewed v6/18/09 on Jun 19, 2009

Why are antivirus definitions even on Fileforum?

some guy

some guy reviewed v4/1/09 on Apr 3, 2009

bloat resource hog. poor detection rate. Avira or nod32 or kaspersky are your 3 best bests I prefer Avira over all just my 2 cents

Letterman

Letterman reviewed v12/1/08 on Dec 1, 2008

First try 2009 then comment, otherwise you're spamer. 2009 symantec product are real revolution.
Much faster, much flexible [2]

laptopy.net

laptopy.net reviewed v10/1/08 on Oct 7, 2008

"loated performance sucking garbage. "

First try 2009 then comment, otherwise you're spamer. 2009 symantec product are real revolution.
Much faster, much flexible

gawd21

gawd21 reviewed v4/15/08 on Apr 15, 2008

Far too many viruses get past Norton to make this worthless!

roj

roj reviewed v4/13/08 on Apr 14, 2008

Not with YOUR money.

Both Symantec and McAfee build bloated performance sucking garbage. I have a LOT of experience with the corporate version of this app (SAV 8 / 9 / 10) and know that of which I speak.

ONE star.

RastaWorld

RastaWorld reviewed v10/10/07 on Oct 11, 2007

I agree. I used it for years before it became bloatware and decreasing a new systems performance by as much as 20 percent. NOD32 has since blown NAV out of the water.

CharlieGimbert

CharlieGimbert reviewed v9/24/07 on Sep 24, 2007

always someone complains, oh well.

4.1/5 (519 votes)

not bad :)

Point Zero

Point Zero reviewed v8/10/07 on Aug 11, 2007

Do these new NAV updates finally weed out NAV's own bloat ?

tinkerdill

tinkerdill reviewed v7/19/07 on Jul 21, 2007

this is Norton AntiVirus Definitions 7/19/07

go somewhere else with your bad reviews

Umapathy

Umapathy reviewed v5/13/07 on May 15, 2007

Ok THe Norton Antivirus definitions works with the client via offline. Right now I am working in Trincomalee, Sri Lanka where I have slow internet connectivity. Is there a way to update the server by anymeans using offline updates. It would be really helpful since we can get updates via CD or USB Disk then update that results updating the whole network. Thanks in advance.

brusco

brusco reviewed v12/5/06 on Dec 6, 2006

Norton anti-virus (consumer versions) is bloated garbage. The one app on your computer that should be trying to use as little as possible resources is actually a skinned application with so many add-on modules that it takes forever to boot the computer.

the overly bitmapped interface and condescending UI animations would even make the writers of CSI Miami blush. My intelligence wants an apology.

dono1216

dono1216 reviewed v11/13/06 on Nov 14, 2006

yes there is a reason to download standalone definition updates instead of liveupdate: if you have multiple computers all using norton, and you wanna save bandwith.

i download it every month or so. good enough so far.

iamanon

iamanon reviewed v11/1/06 on Nov 2, 2006

I have Symantec installed on a computer and last night I downloaded an app and went to run it, Windows Defender popped up and stated that it contained a keylogger. I scanned it with SAV and it detected nothing. I downloaded the open source virus scanner ClamWin and scanned the file with it and it detected the keylogger also. I have lost all of my confidence in Symantec.

bodean

bodean reviewed v10/19/06 on Oct 22, 2006

Any updates to viruses is good
Just use LiveUpdate, no reason to dl a single file.

mjm01010101

mjm01010101 reviewed v3/20/06 on Mar 20, 2006

"it wouldn't shut-up about demanding that I manually scan a file, even if I clicked cancel/abort...it kept popping up."

Exactly the reason I stopped installing Symantec on home clients.

anomoly

anomoly reviewed v6/09/05 on Jun 9, 2005

How anyone can rate an antivirus definition update is completely beyond me. You either have one that works & updates automatically, or you don't have any av at all (not unheard of). To get it here is even lamer. I use symantec av corp 10-at present-it can update daily, or weekly. This has nothing to do with the fw which I wouldn't install ever again. This is kinda like people who are starving rating their last meal

jon8rfc

jon8rfc reviewed v1/30/05 on Jan 30, 2005

NAV is great for antivirus and their prompt definitions updates. I haven't tested 2004 or 2005 yet because I uninstalled 2004--it wouldn't shut-up about demanding that I manually scan a file, even if I clicked cancel/abort...it kept popping up.

Anyways, if you have NAV 2003 or previous, you can get a fresh year of freeupdates 100% legally and I'll tell you how. First you need to uninstall NAV, then locate the file 'Catalog.LiveSubscribe' and delete it. In Windows 2000/XP this file is located in 'C:\Documents and Settings\All Users\Application Data\Symantec\LiveSubscribe'. 'Application data' is a hidden folder in 2000/XP, so if you can't get to it by pasting that location into Explorer, browse to the folder 'C:\Documents and Settings\All Users' and click on tools>folder options>view tab, and put the radio button beside "show hidden files and folders" and hit OK. Now browse to the location I showed and delete that file. Reinstall NAV and you've got a fresh year of updates for free.

I don't know the location of 'Catalog.LiveSubscribe' in 98/ME, so you'll have to use the search feature to find it.

There is a way to do this without uninstalling, but it requires modifying or replacing the 'Catalog.LiveSubscribe' file which would be in violation of Symantec's EULA, so I will not post this information.

zridling

zridling reviewed v11/26/04 on Nov 26, 2004

The definitions are fine, but I installed the Norton Internet Security suite and was surprised that the only useful part of the entire thing was the antivirus program. The firewall offered virtually no real user control, and LiveUpdate essentially choked off all computer operations while it downloaded new definitions in the background. Even my keyboard would lose focus. So after a few days I uninstalled, only LiveUpdate did not, continuing on bootup, even though it had nothing to update. Ten years ago Norton software took over your computer once installed; today it's no different.

rustik_one

rustik_one reviewed v11/24/04 on Nov 26, 2004

The intelligent updater virus definitions are updated more regularly than the liveupdate definitions. this manual download is for people who want the very latest norton protection.

as for filesize complaints, the engine is also constantly under revision. downloading only the definitions after more than a couple of weeks will not provide the best level of protection, as the engine will become dated. liveupdate definitions may be the ticket for dial-up users, as they only include the engine when there's been an update to it.

symantec maintains a superior product

kebabi

kebabi reviewed v7/5/04 on Jul 6, 2004

Keep up the good work Symantec!

MMPD

MMPD reviewed v06/11/04 on Jun 12, 2004

Not so, virus definitions do not always update correctly. These help alot in some cases, especially in the offline situations.

Adidas1532

Adidas1532 reviewed v4/4/04 on Mar 5, 2004

haha... somehow on 3/4 i can get the definitons for 4/4... a full month in advance! now thats what i call service. ;)

utomo

utomo reviewed v2/19/04 on Feb 20, 2004

Some improvements needed for antivirus update download:
1. Smaller file size. Karspersky update smaller.
2. Add option to download the complete update: antivirus data and the engine. this useful for updating many computer where only dialup connection is available. so we just download one big files, and use to update offline. after that if need to update live, we just need to download small update. compared to now. the update is too heavy for dialup user.

gammapooka

gammapooka reviewed v1/16/04 on Jan 17, 2004

wtf is this ??
This page says : 1/16/04 are latest virus def.
When using live update it still says latest are :1/14/04

gammapooka

gammapooka reviewed v1/15/04 on Jan 16, 2004

Hmmm just wanted to update tru liveupdate, but latest virus defenitions are 1/14/04

TigerTou

TigerTou reviewed v1/12/03 on Jan 13, 2004

Horrible. Yesterday we spent $59.99 and bought SystemWorks 2004, which includes NAV 2004. After it "installed" everything worked except, you got it, NAV 2004. This even after we activated the gem. Various windows then popped up saying that we had tampered with the license. The antivirus app refused to do anything, except provide a popup that indicated an internal error, 3029,19. The uninstall button below the pink padlock was non-functioning. When we tried to uninstall thru the Symantec-recommended ADD/REMOVE, it wouldn't uninstall, giving an error message: System memory is running very low -- that with 768 M ram with 88% resources free. The following day, after waiting 90 minutes on hold to tech support, we were advised that NAV spread itself out across the entire harddrive and could not reliably be uninstalled using ADD/REMOVE. The tech guy offered elinks to 22 pages of manual uninstall instructions and directed us to four uninstall subroutines, one from MS, which had to be downloaded. Under his telephone direction, we spent another two hours using these devices trying to get the damn NAV program out. After implementing his advice, the entire system refused to run in anything but safe mode. After another two hours with MS support in New Delli, we restored the booting. Guess what? All that NAV stuff is still there, occupying more than a dozen places! And the clincher? Symantec had the balls to charge for the help. Anybody have success with anything else? Panda? Kaspersky?

Dapple

Dapple reviewed v10/17/03 on Oct 19, 2003

Milz why dont you go back to your sandbox ,you silly little boy.

Its fools like Milz(Looser) that ruin things for descent people.

scodan

scodan reviewed v10/16/03 on Oct 17, 2003

NAV has a nice interface, but it's buggy as hell (Tip for the clueless: Just because YOU don't experience a bug does not mean it doesn't exist). And the new product activation requirement is off-putting as well, unless you are the mindless type. But why do people rate and review AV definitions, though? Oops, I just did, too.

Adidas1532

Adidas1532 reviewed v8/7/03 on Aug 7, 2003

I believe it is another virus protection program.

gigsvoo

gigsvoo reviewed v8/5/03 on Aug 5, 2003

May I ask what is "Esets"? NOG?

PWT999

PWT999 reviewed v6/30/03 on Jul 1, 2003

Have a look at Esets latest NOD 32, it's a fifth of the size, faster, better virus detection, why people use this piece of junk is beyond me.

ghammer

ghammer reviewed v6/3/03 on Jun 4, 2003

Hi RB,
Unless there is a major virus attack Live Update is only updated on Wednesdays. I finally found a link on Symantec's website that says so.

RedBadger

RedBadger reviewed v5/6/03 on May 7, 2003

I feel Norton is the best virus scanner, but I'm really starting to get ticked at their live update program. It rarely works anymore, and even doing a manual scan it tells me my virus definitions are up to date, yet my last update was a week ago from this update. I'm about ready to give up on it. I also dang sick of wasting my money on programs that don't work right.

ghammer

ghammer reviewed v4/28/03 on Apr 29, 2003

Norton AV is an excellent anti-virus tool. Scans cleanly and without taking lots of resources. Does all my email without having to reconfigure the POP and SMTP server settings to localhost as many make you do.
My sole complaint about Norton AV? This download. My "Live Update" never has current virus defs. It is always days behind. If they can update external sites, why can't they update their own tool for paying customers?

RedBadger

RedBadger reviewed v4/23/03 on Apr 24, 2003

Norton is by far the best virus scanner despite the crap spread by some people. It even scans email attachments correctly, unlike many of the other virus scanners.

abcdefg1234567

abcdefg1234567 reviewed v3/24/03 on Mar 25, 2003

UNF

Adidas1532

Adidas1532 reviewed v3/17/03 on Mar 18, 2003

YAY FOR VIRUS DEFINITIONS!

RedBadger

RedBadger reviewed v10/11/02 on Oct 12, 2002

I like Norton AV the best also. I also like its user interface best.

averyc

averyc reviewed v4/8/02 on Apr 9, 2002

This is just a virus def update. Nothing else. It isn't supposed to fix anything. BTW, there is a new version of LiveUpdate on Symantec's website. Don't know what it fixes. Sorry.

mtnsteve

mtnsteve reviewed v3/21/02 on Mar 21, 2002

Please don't get me wrong, I think that Norton is the best, but lately it seems that most of my "updates" deal with "LiveUpdate" and not Norton AntiVirus definitions...this update is yet another 1800+ kb download that I suppose will fix something in the last 2/3 other downloads that dealt with liveUpdate.

Viper10585

Viper10585 reviewed v9/7/01 on Sep 9, 2001

Short and sweet. NAV 2001/2002 is by far the best AV program in the world.

luddy

luddy reviewed v9/28/00 on Sep 29, 2000

Besides, it isn't even an update for thw MS platform. That def date is still 9/22. This is for MAC-9/28.

malaac

malaac reviewed v6/20/00 on Jun 21, 2000

We ran McAffee latest version with latest updates at the computer store and it found a virus.. Notice I said 1 virus. Anyways Mcaffee couldn't clean it I said to my boss at the time let me put NAV on it and I bet you it will clean it. It not only cleaned it but also found 6 other viruses that Mcaffee did not find and a couple of Trojans. NAV has been the preferred and only antivirus in use there now.

mesutkaya

mesutkaya reviewed v6/15/00 on Jun 16, 2000

I think Nav is not a good antivirus program for office use (i don't prefer for home use also)Windows always crashed because of this program. I prefer avp and cheyenne

p1nh3ad

p1nh3ad reviewed v0223 on Feb 27, 2000

NAV is the best...in my experience it is far better than Mcafee with an older mcafee that i used to use along time ago i had a virus sittin on my computer for along while and it never picked it up till one of my friends had nav and i was sendin him a file and it was infected with the virus and i didnt know it...he was liek what the hell are u sending me a virus for and i didnt know i had one till then so that day i went out and got NAV and ive stuck with it ever since! its the best and im stickin to it.

chinese

chinese reviewed v0207 on Feb 15, 2000

You're the Best!

bitcom

bitcom reviewed v1230 on Jan 2, 2000

nav is da BOMB....way better then all da rest...

fkm

fkm reviewed v1230 on Jan 1, 2000

NAV is better than others.

wanakin

wanakin reviewed v1227 on Dec 30, 1999

I think NAV is for the advanced user only. It is because from my experience, it can make some changes to your system and it must be configured properly before you get confused with this product. I've been used AVP too.It's true that this product didn't eat soooo much resource but is it give you some proof that it will detect all virus and trojans? And now, I'm using MCAfee...and I'm satisfied..I don't care if this product eat so much resource because I had 500MHz processor with 128MB RAM. Although all virus scanner MUST 'eat' some system resource to scanning virus in background, if they not...you know what will happen...

super

super reviewed v1227 on Dec 30, 1999

I've tested McAfee, AVP & last Norton. McAfee eats a lot of resources, Norton is also eating too much resources, AVP is the best in this area.

s

s reviewed v1215 on Dec 21, 1999

nav is by far the best i had a trojan horse and only nav
could detect it ,the cleaner and mcafee proved inefective.

hellfish

hellfish reviewed v1214 on Dec 15, 1999

NAV is far superior to McAffee. It finds many virii and trojans than Mcafee can't detect. It also uses far less resources. Just run the system configuration utility and see what Mcafee scatters all over your registry.

Norton is clean, fast, and more dependable... IMHO.

zin

zin reviewed v1206 on Dec 8, 1999

I disagree, nav is better

kentauren

kentauren reviewed v1203 on Dec 5, 1999

I agree, Mcafee is better than nav.

celeron

celeron reviewed v1129 on Dec 3, 1999

NAV is good, but McAffee is better. The scan engines, McAffee.Com, and the McAffee labs where they research are superior to Symantec's.

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