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Avast and AVG at the same time

This is a discussion on Avast and AVG at the same time within the General Computer Security forums, part of the Tech Support Forum category. Your help would be most appreciated. Is it ok to have both Avast (free)and AVG (free) on the PC at


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Old 07-24-2008, 11:43 PM   #1
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Your help would be most appreciated. Is it ok to have both Avast (free)and AVG (free) on the PC at the same time, provided the one which is not in use, is disabled. nor69

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Old 07-25-2008, 12:20 AM   #2
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Theoretically, it should be OK as long as one is disabled. However, based on my personal experience, for various reasons, I would recommend that you remove/uninstall the one you're not using via Add or Remove Programs in Control Panel.

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Old 07-25-2008, 05:24 AM   #3
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Many thanks amateur, both you and Chris have been very helpful.
Regards...jud84
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Old 07-25-2008, 05:50 AM   #4
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From what I've seen, running two AV programs simultaneously will completely kill performance. My friend had Norton AV and AVG running at the same time, and his machine was so slow it took almost 10 minutes to boot up because both programs would scan all the executables that his computer was trying to start.
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Old 07-25-2008, 06:31 AM   #5
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Quote:
Originally Posted by Fox View Post
From what I've seen, running two AV programs simultaneously will completely kill performance. My friend had Norton AV and AVG running at the same time, and his machine was so slow it took almost 10 minutes to boot up because both programs would scan all the executables that his computer was trying to start.
Yes, correct. It's disastrous if both (or more, sometimes) AV applications are active at the same time. Not only would they slow down the system but also interfere with each other, and may even cause crashes.

However, the question was whether it would be OK if one was active while the other one disabled".
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Old 07-25-2008, 06:50 AM   #6
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I think even that could potentially cause conflicts. I would advise against it, because it's not only completely pointless, but also has a cost in system resource overhead.
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Old 07-25-2008, 07:12 AM   #7
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Agreed. That's why I said "I would recommend that you remove/uninstall the one you're not using via Add or Remove Programs in Control Panel."
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Old 07-27-2008, 12:58 AM   #8
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I wish to thank all those who offered such sound advice. I will do as you suggest. Thank you again. nor69
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Old 07-27-2008, 01:03 AM   #9
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You're welcome.

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