Scanning with AVAST, 100% disk, 10 MB/s read/write?

razeredge7

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Jul 8, 2015
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Please Help me! all the masters here!
so...I'm trying to do a scan with AVAST, but the speed is only 10 MB/s and below. is this normal? because the scan is really taking too long.

It looks like this
http://imgur.com/a/6zpGJ
http://imgur.com/a/KXC8w
 

plasmastorm

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Oct 18, 2008
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There's a reason it's free.

Personally I would use a better product like Kaspersky or Eset but you will have to pay for those.

But yes the AV scan will take a lot of HDD throughput if you manually start a scan, it uses whatever it can to get it done fast as possible.
 

plasmastorm

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Oct 18, 2008
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There's a reason it's free.

Personally I would use a better product like Kaspersky or Eset but you will have to pay for those.

But yes the AV scan will take a lot of HDD throughput if you manually start a scan, it uses whatever it can to get it done fast as possible.
 

plasmastorm

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They will use up to whatever bandwidth/speed is available but the smarter ones back off when they detect you are using the system so it does not effect performance as much.
Generally if you start a scan then leave it to do the scan, you can use it meantime but will only make it take longer.

As an example when I scan customer systems they range from an hour to 3 depending on disk size and how fast the system is.
 

Snipergod87

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May 26, 2009
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No they dont.

The reason why you are @ 100% usage and 10MB/s is when reading a bunch of small files performance drops heavily as opposed to one large file.
One file that is 1GB is size will take exponentially less time to read and scan than 2000 files totaling 1GB.
The Windows directory consists of many small files and so do most program installations. The AV software is not limiting you but your disk is.
 
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