Author Topic: avast slowing PC to a crawl after boot  (Read 7882 times)

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Offline MrRAlan

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avast slowing PC to a crawl after boot
« on: March 03, 2007, 06:23:36 PM »
Avast is slowing my PC to crawl right after boot.  I have to wait about 2 minutes after everything loads before I can do anything.  If I shutdown avast, I can start working right away.  I tried delaying the update check for 3 minutes after booting and although the delay works, the slowdown is still present.

I boot my PC and wait till the avast and kerio firewall system tray icons load.  These are the only things I run at start-up.  Then if I try to open a word document, it takes about 2 minutes to open and then my PC will return to normal.  If I shut down avast services during this period, word opens immediately and my PC returns to normal.

Does anyone know how to fix this?

Offline Lisandro

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Re: avast slowing PC to a crawl after boot
« Reply #1 on: March 03, 2007, 06:41:33 PM »
Avast is slowing my PC to crawl right after boot.
Uncheck the option to scan dynamic libraries on load and test... Since avast! version 4.7.807 the Standard Shield has a feature called do not scan system libraries (by default on) that dramatically decrease the number of files scanned during computer boot.

Does anyone know how to fix this?
Use Startup Delayer.
to control the windows startup (Windows 98\Me\2k\XP) that does not follow a strict order.
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Offline MrRAlan

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Re: avast slowing PC to a crawl after boot
« Reply #2 on: March 03, 2007, 07:33:59 PM »
In mine, the feature is called SCAN DYNAMICS LIBRARIES ON LOAD.  I unchecked this and rebooted.  It didn't help at all.  The PC is still crawling after boot for a couple minutes...unless I terminate Standard Shield.

The Startup Delay program wouldn't help here as I only have avast and kerio starting up and I wait until those are loaded before I even try to open Word.

Offline Vlk

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Re: avast slowing PC to a crawl after boot
« Reply #3 on: March 03, 2007, 09:44:34 PM »
What is the "Scan count" for Standard Shield after the computer boots and is ready to be used?
Normally, the number shouldn't exceed couple of hundred.
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Offline rjl24

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Re: avast slowing PC to a crawl after boot
« Reply #4 on: March 03, 2007, 10:27:13 PM »
"do not scan system libraries"


Where do I find this option and how do i get to it?

Iwish to make sure it is disabled,

Thank you,
robert
HP Pavilion Notebook, DV 6298, 2.0 G Hz, 3GB RAM, 350GB HDD, external 250GB HDD, 1.5TB external HDD, Windows 7. Mostly Chrome.  Avast 6.0.1, free and Windows Firewall.

Offline Lisandro

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Re: avast slowing PC to a crawl after boot
« Reply #5 on: March 03, 2007, 10:32:07 PM »
Right click the 'a' blue icon.
Click 'Details' (to show them).
Click on Standard Shield at left and Customize button at right.
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Offline rjl24

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Re: avast slowing PC to a crawl after boot
« Reply #6 on: March 03, 2007, 10:52:24 PM »
Gotcha!

Thanks,

Unchecked that option,

"scan system libraries"

Robert
HP Pavilion Notebook, DV 6298, 2.0 G Hz, 3GB RAM, 350GB HDD, external 250GB HDD, 1.5TB external HDD, Windows 7. Mostly Chrome.  Avast 6.0.1, free and Windows Firewall.

Offline Lisandro

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Re: avast slowing PC to a crawl after boot
« Reply #7 on: March 03, 2007, 10:59:16 PM »
Unchecked that option,
And what the results under booting?
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Offline Vlk

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Re: avast slowing PC to a crawl after boot
« Reply #8 on: March 03, 2007, 11:03:59 PM »
The "do not scan system libraries" check box is actually on the 2nd tab (Scanner [Advanced]). It should be TURNED ON by default (i.e. system libraries are NOT scanned by default - making things a bit faster).
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Offline rjl24

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Re: avast slowing PC to a crawl after boot
« Reply #9 on: March 03, 2007, 11:13:50 PM »
Good catch,

My bad, I found the proper option and the 'do not scan... '

I also rechecked to allow the scanning of dynamic libraries,

the 'do not scan system libraries', in the scanner advanced options is checked hopefully to save cpu when I start up from boot.

Thanks,
robert
HP Pavilion Notebook, DV 6298, 2.0 G Hz, 3GB RAM, 350GB HDD, external 250GB HDD, 1.5TB external HDD, Windows 7. Mostly Chrome.  Avast 6.0.1, free and Windows Firewall.

Offline MrRAlan

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Re: avast slowing PC to a crawl after boot
« Reply #10 on: March 03, 2007, 11:25:54 PM »
What is the "Scan count" for Standard Shield after the computer boots and is ready to be used?
Normally, the number shouldn't exceed couple of hundred.

The scan count after booting is 54.  The "do not scan system libraries" check box on the 2nd tab (Scanner [Advanced]) is already checked. 

Offline Vlk

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Re: avast slowing PC to a crawl after boot
« Reply #11 on: March 03, 2007, 11:41:03 PM »
54? That's not too much, actually!
In this case, it's hardly the Standard Shield that's making things slow.
You could try disabling Standard Shield altogether and see if the boot time improves.

Alternatively, I'd also recommend trying this "fix": http://forum.avast.com/index.php?topic=26870.msg219232#msg219232

Cheers
Vlk
If at first you don't succeed, then skydiving's not for you.

Offline Lisandro

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Re: avast slowing PC to a crawl after boot
« Reply #12 on: March 03, 2007, 11:57:51 PM »
Alternatively, I'd also recommend trying this "fix": http://forum.avast.com/index.php?topic=26870.msg219232#msg219232
I'd like to know more... what does this registry keys exactly do?
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Offline MrRAlan

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Re: avast slowing PC to a crawl after boot
« Reply #13 on: March 04, 2007, 09:00:11 PM »
54? That's not too much, actually!
In this case, it's hardly the Standard Shield that's making things slow.
You could try disabling Standard Shield altogether and see if the boot time improves.

Alternatively, I'd also recommend trying this "fix": http://forum.avast.com/index.php?topic=26870.msg219232#msg219232

Cheers
Vlk

yea...it's the standard shield.  When I try to open a word document and everything seems halted, I disable standard shield and the document open right up.  I just downloaded the reg fix you recommended.  What does it do exactly?

Offline Vlk

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Re: avast slowing PC to a crawl after boot
« Reply #14 on: March 04, 2007, 09:24:14 PM »
The reg fix causes the avast service to start EARLIER than normal.
If at first you don't succeed, then skydiving's not for you.