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40 Mins Avg Scan Time Normal?


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4 replies to this topic

#1 MickinPlymouthUK

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Posted 07 October 2007 - 12:25 AM

Hi, when running AVG I've always hit the 'Full Scan' button and it takes about 40 minutes, does that sound about right or is it too long? (My 20GiG hd is about 80% full).
If 40 mins sounds too long, is there any way I can shorten the time, perhaps by using the 'Scan Selected Areas' option?
What if I select an area to scan but a virus is hiding in an unscanned area?
I'm Win XP Home, PC illiegitimate..

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#2 Alan D

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Posted 07 October 2007 - 02:23 AM

I have a 40G hd about one third full (so not wildly different to your situation), and AVG (antiMALware ie AV+AS) complete scan takes typically 35-40 minutes.
Windows XP Home SP2; AVG 7.5 Internet Security Suite (AV/AS r.t.p, and firewall); Windows Defender (r.t.p on); SuperAntispyware Free; a-squared Free 3.5.0.15; Spybot 1.4 (Immunised, but no Tea-timer); AdAware SE Free; AVG Anti-Rootkit Free; Spywareblaster; MVPS Hosts file (with HostsMan); McAfee Site Advisor.

#3 jgweed

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Posted 07 October 2007 - 10:30 AM

There are several things you can do to speed up AVG scanning:
1. Run AVG in Safe Mode.
2. If you are careful about what areas you do NOT scan, you can save even more time. For example, if you have archived documents or pictures in separate folders (and they have been scanned at least once) you can omit scanning these.
3. Run disk cleanup immediately before scanning. The fewer the files scanned, the faster the scanning completes.
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#4 Alan D

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Posted 08 October 2007 - 04:53 AM

I believe it also helps scanning speed if you defragment your hard drive regularly.

I should add to my comment that there is another way around the time issue. I don't scan with AVG every day. Defender does a scheduled quick scan once a day (3 minutes, and usually I don't notice it happen). A quick scan with a-squared takes only about a minute and scans the registry and active processes, so it's convenient to scan with that also after each daily update. A Quick Scan with Superantispyware takes about 12 minutes, and I do that twice a week. Then a scan with Spybot and AdawareSE on their update days, once a week, is also just a matter of a few minutes.

So with all this going on anyway, a 40 minute complete scan with AVG once a week isn't too burdensome, and seems to be adequate.

Edited by Alan D, 08 October 2007 - 04:54 AM.

Windows XP Home SP2; AVG 7.5 Internet Security Suite (AV/AS r.t.p, and firewall); Windows Defender (r.t.p on); SuperAntispyware Free; a-squared Free 3.5.0.15; Spybot 1.4 (Immunised, but no Tea-timer); AdAware SE Free; AVG Anti-Rootkit Free; Spywareblaster; MVPS Hosts file (with HostsMan); McAfee Site Advisor.

#5 quietman7

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Posted 08 October 2007 - 12:49 PM

40 minutes is actually not very long for an anti-virus scan. Depending on your hard drive size and used capacity (number of files) sometimes a scan can take hours. Also a lot of running processes in the background can slow things up so its best to shut the non-essential ones down or perform your scan in safe mode. As an alternative to disk cleanup, you can use ATF Cleaner to "take out the trash".
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