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Real-time Updater (resident Shield)


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#1 cralor

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Posted 14 February 2008 - 04:42 PM

Okay. I originally had Windows Defender and I added Avast because Vista only has the spyware protection. Then, I got AVG Spyware free because I don't like Defender.

I also grabbed AVG free AV.

Now, all 3 of these programs (AVG AV, AVG AS, and Avast AV) all have realtime scanners. Right now I have only Avast realtime on because of the known collision issues with all AV programs.

My question is, which is the best to be running? I have avast on because that's the one i thought was the best. Is AVG AV or AVG AS better to have on?

If AVG is better than avast (realtime scanners) is it ok to have the AS and AV realtime protections on?

thanks for any and all help.

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#2 quietman7

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Posted 15 February 2008 - 12:07 PM

Independent comparatives of Anti-virus Software
click on the "Comparatives" link on the left
Comparison of Anti-virus Scanners
TopTen Review: 2007 Anti-virus Software

These types of comparative testing results will vary depending on who is doing the testing, what they are testing for, what versions of anti-virus software is being tested, etc. There are no universally predefined set of standards/criteria for testing and each test will yield different results. Thus, you need to look for detailed information about how the tests were conducted, the procedures used, and data results. Then you have to consider the features offered by each anti-virus program, the amount of resources utilized and how it may affect system performance. Another factor to keep in mind is whether you want use a paid for product or free alternative.

Using more than one anti-virus program is not advisable regardless if the second is used as a stand-alone on demand scanner. Even when one of them is disabled, it can affect the other. Issues can arise when the active anti-virus detects the non-active one's definitions or quarantined files.

The primary concern with using more than one anti-virus program is due to conflicts that can arise when both are running in real-time mode simultaneously. Anti-virus software components insert themselves into the operating systems core and using more than one can cause instability, crash your computer, slow performance and waste system resources. When actively running in the background while connected to the Internet, they both may try to update their definition databases at the same time. As the programs compete for resources required to download the necessary files this often can result in sluggish system performance or unresponsive behavior.

Each anti-virus will often interpret the activity of the other as a virus and there is a greater chance of them alerting you to a "False Positive". If one finds a virus and then the other also finds the same virus, both programs will be competing over exclusive rights on dealing with that virus. Each anti-virus will attempt to remove the offending file and quarantine it. If one finds and quarantines the file before the other one does, then you encounter the problem of both wanting to scan each other's zipped or archived files and each reporting the other's quarantined contents. This can lead to a repetitive cycle of endless alerts that continually warn you that a virus has been found when that is not the case.

Anti-virus scanners use virus definitions to check for viruses and these can include a fragment of the virus code which may be recognised by other anti-virus programs as the virus itself. Because of this, most anti-virus programs encrypt their definitions so that they do not trigger a false alarm when scanned by other security programs. However, some anti-virus vendors do not encrypt their definitions and will trigger false alarms if used while another resident anti-virus program is active.

To avoid these problems, use only one anti-virus solution. Deciding which one to remove is your choice. Be aware that you may lose your subscription to that anti-virus program's virus definitions once you uninstall that software.

Most anti-virus vendors recommend that you install and run only one anti-virus program at a time:
Symantec's statement.
Avast's statement.
AVG's statement.
Dell Support advises the same for their systems.

When necessary, you can always get another opinion by performing an Online Virus Scan.
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#3 cralor

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Posted 15 February 2008 - 03:38 PM

thanks for your reply.

if you could choose out of all the free scanners, AV and AS, which 2 would you choose to be the best?

In this case i will get 1 of each, but i want to know which are the best. the compares above did not include free AV/AS software.

second, is it ok to have an AS realtime shield and a AV realtime shield?

Edited by cralor, 15 February 2008 - 03:39 PM.


#4 cralor

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Posted 15 February 2008 - 03:40 PM

to also add, IP.board is not good. it says to give me email notifications but it didnt. i'm glad i came to look or else i wouldn't of readyour reply.

it happened to another post i had and it got closed from no reply, because i didnt know there was one.

#5 Teenage.Zombiee

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Posted 16 February 2008 - 07:49 AM

A personal favorite of mine for a free virus scanner is Avast. You can get it here
It automatically updates in the background, has on access protection not just for standard protection. You can configure it for your IM program, your network, your web browser and more.

I personally like to have two anti spyware utilities. I use spybot S&D and Super Anti Spyware.
You can get spybot here
And you can get Super Anti Spyware FREE here

Choosing whats the "best" is a bit different for everyone. You might find something that has poor detection and removal but runs smooth on your system. And you might find something with excellent detection and removal but runs horribly.

Hope I helped :thumbsup:

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#6 cralor

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Posted 16 February 2008 - 09:58 AM

one last thing. is it alright to have an antispyware realtime scanner and an antivirus realtime scanner?

windows defender has it on and so does avast. (i've been using avast, as it seems to be the most famous and best one)

i'm going to get Super Anti Spyware, and that doesn't have on-access scanning, but would it be ok to have an as and a av realtime shield?

ty

#7 quietman7

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Posted 16 February 2008 - 12:11 PM

is it alright to have an antispyware realtime scanner and an antivirus realtime scanner?

Yes.

Using more than one anti-spyware program with real-time protection increases your protection coverage without causing the same kind of conflicts or affecting the stability of your system that can occur when using more than one anti-virus. Even if your anti-spyware programs are not running in real-time, the overlap of protection from using different signature databases will aid in detection and removal of more threats when scanning your system for malware.

No single product is 100% foolproof and can detect and remove all threats at any given time. The security community is in a constant state of change as new infections appear. Each vendor has its own definition of what constitutes malware and scanning your computer using different criteria will yield different results. The fact that each program has its own definition files means that some malware may be picked up by one that could be missed by another. Thus, a multi-layered defense using several anti-spyware products (including an effective firewall) to supplement your anti-virus combined with common sense and safe surfing habits provides the most complete protection.

However, you can overkill your system with resource heavy security programs that will drain your resources and slow down performance. Sometimes you just have to experiment to get the right combo for your particular system as there is no universal solution that works for everyone.

BTW, the pro version of SAS offers real-time protection.

Edited by quietman7, 16 February 2008 - 12:13 PM.

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