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Author Topic: Avast 6 and The PDF File Transfering  (Read 7522 times)

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vbs_bor

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Avast 6 and The PDF File Transfering
« on: March 31, 2011, 05:14:13 PM »
I'm not really sure this problem is caused by avast, i've test several computers and always got the same results.

Environment: Win7 64, avast free 6.01
Problem: When i try to copy a large pdf file to a usb storage media (not include usb harddisk, problem arise for cards and u disks), the copying progress bar would pause at some point and remains for a long time with a speed of zero (sometimes several minutes), actually the new copy is already created completely. When i disable avast shields, this phenomenon disappear. And this only happened for pdf file and usb storage.

Use "Process Monitor" i found that in such cases, the operation of the "IRP_MJ_CLEANUP" consume an unusually longer time.

Could anyone tell me how could such thing happened? Any advice will be appreciated.
« Last Edit: March 31, 2011, 05:40:39 PM by vbs_bor »
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #1 on: March 31, 2011, 05:27:15 PM »
What is "large" in this context?

I'ld like to test that on my system, so how many MBs are necessary to bring up this problem?
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vbs_bor

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Re: Avast 6 and The PDF File Transfering
« Reply #2 on: March 31, 2011, 05:28:45 PM »
Quote from: Zyndstoff on March 31, 2011, 05:27:15 PM
What is "large" in this context?

I'ld like to test that on my system, so how many MBs are necessary to bring up this problem?


about 20M and the pause would be obvious.
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #3 on: March 31, 2011, 05:32:55 PM »
Don't know if I can arrange the test today, but I will tomorrow at the latest.
Thx for the additional info.
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #4 on: March 31, 2011, 05:42:44 PM »
Confirmed.
Takes a very long pause at the very end of the copying process.
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vbs_bor

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Re: Avast 6 and The PDF File Transfering
« Reply #5 on: March 31, 2011, 05:57:54 PM »
Quote from: Zyndstoff on March 31, 2011, 05:42:44 PM
Confirmed.
Takes a very long pause at the very end of the copying process.

That's it! Thanks.
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #6 on: March 31, 2011, 09:24:39 PM »
Well, I hope that some mod will take a look at this thread and see deeper into the problem.
There seem to be some issues with scanning of pdfs.

One of the mods is active in this thread http://forum.avast.com/index.php?topic=75020.0, so I notified about your findings with process-monitor.
« Last Edit: March 31, 2011, 09:29:23 PM by Zyndstoff »
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #7 on: April 01, 2011, 04:35:15 PM »
So, I added "K:\*.pdf" to the file system shield exclusion list for writing operations, with K: being the drive-letter assigned to usb-sticks.
This solves the problem, however the pdfs will not be scanned any more when writing on the stick.

Hope they are looking into this thing....
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vbs_bor

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Re: Avast 6 and The PDF File Transfering
« Reply #8 on: April 02, 2011, 07:36:13 AM »
Quote from: Zyndstoff on April 01, 2011, 04:35:15 PM
So, I added "K:\*.pdf" to the file system shield exclusion list for writing operations, with K: being the drive-letter assigned to usb-sticks.
This solves the problem, however the pdfs will not be scanned any more when writing on the stick.

Hope they are looking into this thing....

Seems to be the only way for now. Fortunately this problem did not bring too much inconvenience.
I notice that the virus definition version 110401-2 solves another issue with pdf files, but this one remains. I hope this bug could be fixed in some day.
« Last Edit: April 02, 2011, 07:38:20 AM by vbs_bor »
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #9 on: April 07, 2011, 03:30:48 PM »
Bump!

Has this bug been worked on?
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Offline Asyn

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Re: Avast 6 and The PDF File Transfering
« Reply #10 on: April 07, 2011, 03:34:56 PM »
Quote from: Zyndstoff on April 07, 2011, 03:30:48 PM
Bump!
Has this bug been worked on?

Isn't this solved already..??
Please test..!!
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #11 on: April 07, 2011, 03:38:40 PM »
Quote from: Asyn on April 07, 2011, 03:34:56 PM
Quote from: Zyndstoff on April 07, 2011, 03:30:48 PM
Bump!
Has this bug been worked on?

Isn't this solved already..??
Please test..!!


No, don't mix this one with the slow boot-time scanning of pdf - that is solved, yes.
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Offline Asyn

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Re: Avast 6 and The PDF File Transfering
« Reply #12 on: April 07, 2011, 03:40:12 PM »
Quote from: Zyndstoff on April 07, 2011, 03:38:40 PM
No, don't mix this one with the slow boot-time scanning of pdf - that is solved, yes.

Ah, ok - my mistake.
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Offline Zyndstoff (aka Steven Gail)

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Re: Avast 6 and The PDF File Transfering
« Reply #13 on: April 14, 2011, 01:06:52 PM »
PCHA bump  ;D

Still unsolved?
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Offline igor

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Re: Avast 6 and The PDF File Transfering
« Reply #14 on: April 14, 2011, 01:11:45 PM »
Will be fixed soon.
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