How many Anti-Virus Devices are ideal for protection of a computer?

India
June 5, 2011 12:44pm CST
Some of my friends have advised me to use at least two Anti-Virus Devices for my computer as according to them one Anti-Virus Device is not sufficient enough for the protection of a computer. But is it wise to install more than one Anti-Virus Device for a single computer as under such circumstances they would try to neutralize each other and the efficacy of each would either be lost or at least reduced? So, I am waiting eagerly for your kind suggestion.
2 people like this
27 responses
@trruk1 (1031)
• United States
5 Jun 11
Just as a general rule, you are going to have big trouble if you try to use two anti-virus programs at the same time. Each will view the other as the enemy. You can, if you want to try another anti-virus, disable the one you have and install and run a different one. some programs will not allow that, so you have to delete it. Make sure you have all the documentation you need to reinstall it. Most can be reinstalled by going to the company website. You will probably need to verify that you already have the right to use that program, if it is one you paid for. For some programs, such as McAfee, for best results you need to remove any other anti-virus and disable the Windows firewall. McAfee comes with its own firewall and it is better than the one in Windows. There are exceptions, but for the most part, if you have two anti-virus programs running, each will view the other as a virus.
3 people like this
• United States
5 Jun 11
DD only install one antivirus and one spyware. Install two antivirus applications will not only terribly slow down your system but they will conflict with one another and when one thinks one is protecting so does the other. It will potentially also ruin your pc as it will bog down it's memory terribly.
2 people like this
@smacksman (6074)
5 Jun 11
Just install one anti-virus program. If you install two then they will fight each other and slow you down. Some members above seem to confuse anti-virus with anti-malware programs. They are diffenent problems. So have one realtime anti-virus program installed, like AVG, and then load one or two anti-malware programs like Malwarebytes and Spybot and run those now and again. Remember also that most viruses are invited onto your computer by your own mistake. Downloading pirate music and software is a common cause together with cunning emails that seem to be legitimate but are not. One of my clients has no anti-virus/ anti-malware/ anti-phishing software and no firewall for years and has never had a problem. We make the problem ourselves!
2 people like this
@makatas (1101)
• Greece
5 Jun 11
Very wrong! Only one antivirus should be installed at any given time in one computer. Having more than one means crashes, slow performance, less safety and really bad behavior form the computer. Each antivirus is designed to work on its own. However, you can have a couple antispywares installed if you wish-but make sure they do not run constantly. What I mean is you can keep a couple of antispyware software but only use them to scan computer when you feel you might have picked up a virus or spyware or in any way, a threat.
2 people like this
@Tonton01 (235)
• Philippines
5 Jun 11
Hi Doc, I would have to agree with your friend about having two anti-virus devices for your PC. One is to remove the virii, and another for the malware. You just have to find the right AV software and sure enough, I get some bad files removed every time I'd check the PC for virii. I'm sure this will help, Doc. Regards, Tonton01
@kanchan10 (2978)
• Kolkata, India
5 Jun 11
though i don't have much knowledge about the subject yet common sense says having two anti virus in a single computer will not help much.it may create problem because each of them would try to neutralize each other. currently there are very good quality anti virus available in the market which can take care of all the threats online.
@SAMKAT (91)
5 Jun 11
please be advised that when you install more than one anti virus on your computer you will be slowing it down i love quick heal anti virus due in that it has a tendancy of repairing infected files and an option of anti malware and antiroot kit.
@hanuma34 (821)
• India
8 Jun 11
Hi! samkat. Is quick heal free? I do not like to pay much for AV. I use, of course, Kaspersky, which I bought.
@Zer0Stats (1316)
• India
16 Jun 11
Get Avast!Home Edition.It's totally free for a year.
• Malaysia
5 Jun 11
To add more protection you should have one Anti-Virus and one Anti-Spyware. I hope this help.
1 person likes this
• India
11 Jun 11
Please suggest some Anti-Virus and Anti-Spyware, you like.
@Zer0Stats (1316)
• India
16 Jun 11
There are many AV out there but I think Avast!Home Edition is the best AV for home PC which is totally free for a year and for Antispyware,if you have a genuine validated windows installed on your computer then get Microsoft Windows Defender which is totally free of cost.Other than that,I don't think any free Anti-Spyware program will remove all detected spywares so you will need to purchase one.
• United States
6 Jun 11
Some anti-virus detectors won't let you download if you have an active anti-virus prgram in your system. But it's good to have an anti-virus and a spyware/adware program to catch the malware. Also it's good to have a system cleaner like micro trend house call that gets out everything. It don't constantly run but if you feel you computer isn't running right you can run housecall that cleans out everything such as registries, virses and malware.
1 person likes this
@derek_a (10902)
6 Jun 11
I just have Mcafee (paid for protection) on my computer. Windows 7 though also has Windows protector software installed. The two softwares seem to work OK side by side, but I don't think it is wise to install any more as different softwares are known to clash with each other and slow the machine down or make it crash. Macafee has everything I want, firewall and virus protection and it works well for me. _Derek
1 person likes this
@Hatley (164647)
• Garden Grove, California
6 Jun 11
hi doctordidi I have only avast a free virus protection and its always been excellent in finding any malware or any kind of virus. I do not see why I need more than one as this has keep my computer really clean and safe.I see no reason to go to all that trouble myself.
1 person likes this
• Philippines
6 Jun 11
One antivirus is already ideal for protection of a computer. Having two antivirus can slowdown tremendously your computer system and can sometimes trigger false positives. Right now, I am using Avira Antivir Personal, the free version. I also have Malwarebytes anti-malware in my machine. It is not an antivirus but it is free. Malwarebytes is really helpful especially when I am in doubt of my downloaded files. Its efficacy is proven because I already had used Malwarebytes for removing malwares. Happy mylotting!
1 person likes this
• United States
6 Jun 11
Well, Having two Antivirus Softwares can interfere with each other and cause them to not work but you can have Antivirus, Antimalware, antispyware and internet security all on one pc but not two of the same type of software. it would be kind of impotent. One should be enough anyways. I'd recommend Norton, EAV, Or AVG as Ive used them all and they work great.
1 person likes this
@jak2010 (1550)
• Papua New Guinea
6 Jun 11
One is enough I think because if you install two they will slow down your computer. You justhave to install one and it must be the powerful. I have a macAfee, but people are telling MacAfee is not strong, they recommend Panda. I do not which is true so I am sticking with my firend MacAfee.
1 person likes this
@iklananda (1204)
5 Jun 11
I only use one but it is paid anti virus. I believe this is strong enough coz never had problem with the computer so far and all the virus is well blocked. Using two will make our computer run out of memory.
1 person likes this
@Zer0Stats (1316)
• India
16 Jun 11
You should never have more than one AV product installed on the PC providing active protection/scanning.This can cause performance issues,system instability,and can hinder the effectiveness of both products at providing protection.
• India
14 Jun 11
Hey, just one is enough. Make sure it is one among the best out there. Here is a list for your reference http://www.skipser.toolsbysk.com/p/2/p/best-free-antivirus-softwares.html
• India
12 Jun 11
Only One Avira Antivir Premium Is The Best All in One
• India
10 Jun 11
Use Only One Antivirus on single OS Two Antiviruses do nothing good other than making ur pc slow better use the top antiviruses such as Avira And Kaspersky I Use Avira Premium And Have Never Faced Fatal Problems Becasue it is all in one Web Guard Antivirus And Mail Guard The Best Thing Is the Web Guard It Doesn't Let You Open Suspicious sites And Download Viruses But if u want to go with your friends then use These Two Antiviruses :- 1.AVG or bit defender or Avira or trend Micro(These Are Top Antiviruses) 2.Comodo Internet Security(Lightweight all in one)
@celticeagle (118520)
• Boise, Idaho
8 Jun 11
I think it depends on how much the anti-virus you put on has. Like you need a virus detector, cleaner for temp files, and this new mall bytes thing. SO it really depends on how conplex the system you put on is. I use AVG and Ccleaner. And will do a mall bytes scan in afew. But you want to clear your computer of temp files and stuff or it will run slow. And if you have several anti-virus they make it run slow too.
@hanuma34 (821)
• India
8 Jun 11
Hi! DoctorDidi! By and large computer servicemen advise that we should not have two Antivirus softwares installed. Reason one is the system may slowdown. Reason two, which is more important, is there may be clash in operation while doing automatic scanning, which may corrupt the OS registry. Better to have one Antivirus and another software to prevent hacker attack like Antispyware. If one can get Antivirus software with antispyware/malware that would be ideal.