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Consumer Products => Avast Free Antivirus / Premium Security (legacy Pro Antivirus, Internet Security, Premier) => Topic started by: DavidR on October 06, 2006, 07:13:57 PM

Title: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 06, 2006, 07:13:57 PM
System hangs - standard shield paused to run a third party on-demand scan, on completion tried to resume standard shield and the system hangs.

From what I initially thought to be a problem with the AVG Anti-Spyware, that seemed to also be replicated when I reverted to the Ewido incarnation. Now I find that the problem also happens after a scan with Spybot S&D and also after a scan with AdAware. It now seems that the problem is in fact with avast 4.7.892, perhaps this is somehow associated with avast's self protection if enabled in this version ?

As many of you will know I always pause standard shield before doing a scan with any other on-demand scanner and I have been experiencing problems in that my system would hang and the avast! on-access provider window eventually showed (Not Responding).

The sequence,
1. Pause Standard Shield.
2. Windows Security Center pop-up about pause.
3. start on-demand scan, AVGAS or Ewido or Spybot or AdAware.
4. complete scan and close on-demand scan program.
5. click Continue on Standard Shield (or right click avast icon, Resume provider and select Standard Shield).
6. Blue and Yellow information pop-up shows starting standard shied or words to that effect.
7. Nothing else happens and standard shield effectively hangs.
8. Whilst the mouse pointer works, I can't get the Task Manager loaded to kill the non-responding process. So my only option is a Power shutdown (press power button for 5 seconds to get as tidy a shutdown as possible).

There are no errors or warnings in the Windows Event Log, there are no entries in the avast Log Viewer, Errors, Warning or Notice sections. My logging in program settings is on Notice. I will change this to debug and see if it reveals any information if and when it happens again.
I have been able to replicate this with monotonous regularity following the above sequence.
My system spec, etc. is in my signature.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 07, 2006, 12:30:21 AM
Update, ran another scan following the same sequence above and the same problem occurred. I made one change in that I started Task Manager to see if I could see if the adaware process ended after the scan (it did) and see if I couldn't kill the process not responding.

No change other than as well as the avast! on-access scanner window (not responding) the same was true of the Task manager window, effectively every thing other than the mouse pointer wasn't responding.

Same result in avast Log Viewer nothing in Error, Warning, Notice or Info relating to this occurrence/issue.

Nothing in Setup and Update relating to this lock-up at 23:00 ish, but a lot of stuff from this mornings boot. This 'Failed fixing security' also seems to be a regular occurrence at start-up
Quote
06/10/2006 13:42    package        ArePartsInstallable: 1
06/10/2006 13:42    package        vps: updated [064004]
06/10/2006 13:42    file        Fix security on: D:\Program Files\Alwil Software\Avast4\*.*
06/10/2006 13:42    file        Fix security on: D:\Program Files\Alwil Software\Avast4\images\*.*
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\background.bmp, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\chest.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\lense.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\oranz.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\resident.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\setting.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\slogan.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\spacer.gif, error 0x0000007A
06/10/2006 13:42    file        Failed fixing security on: D:\Program Files\Alwil Software\Avast4\images\update.gif, error 0x0000007A

So another replicable lock-up but no meaningful/useful data to try and identify the cause.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 07, 2006, 03:32:17 PM
Is anyone else experiencing this problem and can they replicate it, or am I on my one with this problem ?
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Lisandro on October 07, 2006, 03:47:39 PM
As I've posted here (http://forum.avast.com/index.php?topic=23937.msg197637#msg197637), I won't be able to replicate as I won't install AVG Antispyware right now.
Maybe it will be usefull to know and check if both Ewido and AVG Antispyware did not left legacy keys behind. Maybe check:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\VirtualDeviceDrivers\\VDD
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ etc. etc. keys

Ewido used to post a key at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks
AVG could have done the same...
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 07, 2006, 04:51:08 PM
I was thinking about replicating it with AVGAS specifically but, any of the 4 programs that I have been able to replicate it with Ewido 4.0, AVGAS, Spybot S&D and AdAware. Every time after resuming Standard Shield after a scan from any of them my system hung.
Title: Checked "drivers" ?
Post by: Spiritsongs on October 07, 2006, 05:14:12 PM
 :)  Hi David :

     Have you checked your drivers !? A seemingly
     knowledgeable person on another site recommended :
     http://driveragent.com ; however, if any are "out-of-date"
     he recommends doing a "google search" on what that site
     recommends as possible replacements .

     P.S. Have now upgraded to 4.7.892; even managed to
     update Ad-Aware yesterday and ran an Ad-Aware scan
     without any problems.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 07, 2006, 05:49:07 PM
I XP Pro SP2 fully up to date as is other security based software and nothing changed other than (in order), the last Windows Security Updates, update to 4.7.892, Firewall update to version 4.0, installed avgas, which uninstalled ewido. Then I first started to experience the problem with standard shield handing when trying to resume, a problem that is now manifest after any other on-demand scanner on my system runs.

I will look at the driveragent site out of curiosity than hope that it may find anything.

I have no problem running the scans, just restarting standard shied after it was paused to run the on-demand scan.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 07, 2006, 06:13:55 PM
Update checked out driveragent site only 4 drivers reported as bad (and that is debatable what they mean by bad).

1. My Nvidia 6600GT video driver I know is not the latest driver but as they say if it is working don't change your video driver and this doesn't seem to have anything to do with video drivers otherwise the screen would freeze including the mouse pointer, this isn't the case.
2. IDE ATA/ATAPI controllers, Via Bus Master IDE Controller, no change and unrelated I believe.
3. My wireless Optical Mouse driver, again unrelated.
4. Network adapters, Realtec RTL8139/810X Family Fast Ethernet NIC. Motherboard driver and I don't use an Ethernet connection and this is disabled in the BIOS, so again totally unrelated.
I get the impression that because of what was marked as BAD, that this is a hook to get you to purchase a Download subscription. Yes the drivers could be updated but none of them I would consider critical and certainly not BAD.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: oldman on October 07, 2006, 06:38:38 PM
David

I had a similar problem a few months ago. I was on version 817, avast kept udating to 844. It was after this update that the problem of restarting the providers occurred.

I reverted back to 817, the problem went away. However, the program updated itself again(Iwas told this was due to 817 being too old). Problem reoccured.

I uninstalled and installed 844 from scratch, rather than update. No more problem.

My conclusion was something went wrong in he update. I don't know how you got to your current version, maybe the same thing happened?

Just a thought.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: bob3160 on October 07, 2006, 07:02:01 PM
Any thoughts on this from Alwil ???
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 07, 2006, 09:33:50 PM
Update:
1. I did an avast! Repair, no change still hangs. Gave in trying to find the problem in this existing set-up.
2. Downloaded 4.7.892 setupeng file, Uninstalled, reboot, Installed (opted not to do boot scan), rebooted.
3. Boom, avast didn't start, good old Red Circle on avast icon. AAVM subsytem detected and RPC error when cilcking avast icon.
4. Gave up again and decided to restore last weeks drive image, prior to any of these issues appeared.
5. Guess what, yes, you guessed it, the problem still exists.

The only common denominator is, 4.7.892. No trace of avgas only ewido 4.0 as the trial I did with avgas was after the last weeks drive image (so no trace of the flip flop between ewido, avgas, ewido). After two and a half years trouble free use of avast this is to say the least a pain in the @#*!.

So yes as Bob mentions it would be nice if Alwil got involved and ran some tests to see if they can replicate this or offer some suggestions how I might help track it down.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: tls on October 07, 2006, 11:58:17 PM
I had not experienced this problem, although I have run scans with Ewido, Spybot and AdAware: but I became curious after reading this thread.  So I paused Standard Shield and scanned with Ewido, resulting in the same sequence as in the original post by DavidR.

I normally "Stop On-Access Protection" when doing such scans, because the red circle is a reminder to my college-age daughter to start it again if she happens to use my computer while I am busy elsewhere.  (I realize simply pausing standard shield would be better, but since my internet connection is dial-up, I am connected only when I need to be, and not while running any scan.)   
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 08, 2006, 12:37:14 AM
Sorry to hear that it effects you in the same way, but at least I'm not alone in this issue. I think there is one more for certain experiencing this, if only others would test it.

I too am on dial-up, but rather than stop all protection I have only ever paused standard shield for other scans.

Did some tests, running an AdAware scan with standard shield running results in 1,606 files being scanned by avast.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: tls on October 08, 2006, 02:15:25 AM
I don't know if this information would be of any help, but neither my mother's WinME computer (avast! home, Outpost 3.5, Spybot, AdAware, A-squared) nor my daughter's Win98SE (avast! home, Outpost free, Spybot, AdAware, A-squared) has this problem.  Both have avast! version 4.7.892. 
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 08, 2006, 02:27:37 PM
I had wondered with Outpost Pro 4.0 entering the equation with enhanced anti-leak functionality might have had any possible impact and I couldn't see it. Not to mention you are experiencing the problem with Outpost 3.5 and 4.7.892.

I never experienced any problem with avast (or anything else for that matter my system has been very stable) with outpost 3.5 but then again I didn't have 4.7.892.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: bob3160 on October 08, 2006, 04:12:23 PM
Unfortunately David, until Alwil steps in, all of this is just supposition.

Alwil, the weekend is over.... time to get back to work.  ;D ;D
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Lisandro on October 08, 2006, 04:57:19 PM
David, are you using AntiKill feature of avast? (I mean, the beta of the avast 5)  ::)
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 08, 2006, 05:59:58 PM
If that is incorporated into 4.7.892 (which I doubt) then yes, that is why I queried self protection earlier in the thread, but I skipped the last avast beta trial and I believe the anti-kill beta of avast 5.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 08, 2006, 07:40:10 PM
Little nudge, since Vlk is lurking on the forums ;D
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 09, 2006, 03:25:50 PM
Nudge, Shove, Jostle.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: igor on October 09, 2006, 03:34:23 PM
I think (hope) a full dump might help...
The description is here (http://forum.avast.com/index.php?topic=22636.msg187340#msg187340).
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 09, 2006, 03:45:16 PM
OK I will give that a try.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 09, 2006, 05:10:51 PM
I did that and have 7zipped the file (thought that was better than winzip), unfortunately it is 291MB a bit too large to consider uploading on a dial-up connection. I have 1GB of RAM so the compression didn't come anywhere close to the 100-150MB you mentioned in the same topic. So I guess were out of luck on the dump upload.

Any other suggestions ?
Has anyone tried to replicate this ?
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 09, 2006, 08:19:04 PM
I have run some further tests as a result of t l s's post earlier and the fact that he usually used the "Stop On-Access Protection" prior to third party on-demand scans without problem, yet he too experienced the same hang if he just paused standard shield.

If I also use the "Stop On-Access Protection" before running third party on-demand scans no problem after the scan click the "Start On-Access Protection" and avast, standard shield is up a running and no hang. The same is true if I terminate Standard Shield, run the on-demand scan and then Start Standard Shield, no hang.

So what is the issue with pausing Standard Shield that causes this hang when Continue is pressed ?
What are the functional differences that might cause this ?
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Lisandro on October 10, 2006, 01:29:39 AM
So what is the issue with pausing Standard Shield that causes this hang when Continue is pressed ?
What are the functional differences that might cause this ?
Please Alwil team, don't let David alone with this...  :'( :-\ :'(
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: bob3160 on October 10, 2006, 02:11:48 AM
So what is the issue with pausing Standard Shield that causes this hang when Continue is pressed ?
What are the functional differences that might cause this ?
Please Alwil team, don't let David alone with this...  :'( :-\ :'(
When a person who spends most of the day helping Alwils customers has a problem receiving help, something isn't right
in this "Help" forum. IMHO  :'(
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DaveD on October 10, 2006, 02:55:32 AM
DavidR has always been a long time respected user on this forum that has always assisted just about everybody that has a problem with avast!, and for this to go unnoticed by the Alwil team for as long as it has thus far has quite surprised me.

This along with that Microsoft (zulu) issue going on as well...

I would hope that they are just too busy working hard on 5.0 or something.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Vlk on October 10, 2006, 10:21:29 AM
David, we need the dump. Without it, there's virtually no chance to analyse such a problem.

Do you have a CD burner? If so, a solution would be to put a CD with the dump file to an envelope and send it to our postal address. Alternatively, take it to the nearest Internet cafe (or a friend with broadband connection) and upload it to our ftp site...


Thanks!
Vlk
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Vlk on October 10, 2006, 10:23:52 AM
Maybe there's one other way to do it - analyse the dump on your computer. I.e. I'd instruct you how to install a debugger that can read the dump file, and what commands to use.

We could do this via IM (icq/msn/yahoo), for example. Or I could ring you.

What do you think?
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 10, 2006, 02:34:58 PM
I appreciate the offer of the direct contact via IM, unfortunately I don't use any IM program. I will run the dump again (I cleared out my dump file when it was clear I couldn't upload it on dial-up) and burn it to CD then send it to you.

Since it is possible to use the Stop On-Access Protection rather than Pause (for now) without the hang, it isn't urgent. However, I would like to get to the bottom of this and understand why this should happen (like you I'm sure) using Pause and Continue/Resume.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 11, 2006, 08:36:51 PM
Ok the Cheque sorry CD with the zipped cnb-dump.7z file is in the post today. To ALWIL Software, F.A.O. Vlk, address as contacts address.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: tls on October 11, 2006, 10:25:45 PM
DavidR, I hope your efforts lead to a solution to this problem, and I will be watching this thread.  Even though I might not initially have been aware the problem exists on my computer also, I prefer things to work as they are intended.     

 
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 11, 2006, 11:15:48 PM
Well if you have broadband you could try running the dump also (link to instructions http://forum.avast.com/index.php?topic=22636.msg187340#msg187340 given by Igor) and send it the ftp address. That would give another perspective.

I just set things up as per the instructions and rebooted, once activity stopped I paused standard shield, ran an adaware scan, closed adaware, and clicked Continue in standard shield. Once the hang happened, did the user initiate blue screen, waited for the memory dump too a little time and booted again.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: alanrf on October 11, 2006, 11:21:36 PM
Hi David,

I just tried to recreate the problem you are seeing.  I tested with Spybot S&D, AdAware and I downloaded and installed the trial version of AVGAS and tried that too. 

I did not experience the hang condition on "Continue" of the Standard Shield with any of them.  So it seems that you have an interaction that I cannot reproduce.

I too am on up-to-date Win XP SP2.  My normal operating condition for avast is 3 providers running (Standard, Web and Internet Mail), my firewall is still just the built in Windows offering.

It will be interesting to find out what the dump analysis shows.   
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: tls on October 11, 2006, 11:37:48 PM
DavidR--
Dial-up here, too, unfortunately.  But one of my friends has broadband so I might be able to try sending from there, assuming I can find my way through the instructions, and if his computer is available.  I am really quite blonde (dense, thick, whatever) when it comes to computer-related activities, so if you have any helpful hints you might hesitate to give anyone who knows what they are doing, please don't hesitate to give them to me.  ;)

T
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 12, 2006, 12:10:02 AM
The instructions are relatively straight forward, print them out and refer to them, I did ;D
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: tls on October 12, 2006, 12:15:07 AM
Already printed :)
I'll try it tomorrow when I am actually awake and my friend will (hopefully) be home.  I hope it helps!
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 12, 2006, 12:20:57 AM
Good luck, let us know if you some more help.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Littlemutt on October 12, 2006, 02:20:10 AM
OK< I have been able to create this failure as well.

Set up:
Ad-Aware se build 1.06r1, updated and fresh install today 10/11/2006
Outpost Pro 4.0  4.0.964.6926 (582) all functions running
Avast! Pro ver 4.7 build: Oct2006 (4.7.892) (60 day trial at this point)
xtreme Toolkit version: 1.9.4
Using ActiveSkin version 4.2.7.3
VPS file: 10/10/2006 version 0641-2


WinXP Sp2 fully patched and up-todate.

I have the dump file, and have it compressed down, but the ftp given:
ftp/avast/incoming won't let me upload the file...

Maybe I just don't know how.. I am trying to drag&drop the file from my C\Drive onto the ftp server -

I get:
Make sure you have permission
200 Switching  to Binary
227 Entering passive mode 195,47,75,55,195,5
553 Could not create file

I tried just dumping the 'raw' memory dump and got a warning about 11 + hrs, so I canceled that one.

I'm willing to help.. now what do I do ...

OK, did not like the filename cnb-dump.zip changed it cnbdump.zip and its uploading, will be there in about 3 hrs +

Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Littlemutt on October 12, 2006, 01:04:26 PM
My dump of the problem is on the ftp 'incoming' -
I'm beginning to wonder if the issue is not something to do with Outpost 4.0...


Hope it helps...
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 12, 2006, 03:45:03 PM
Well it is also happening to someone with outpost 3.5, t l s, but I never had any problems with outpost 3.5. I did have my suspicions on Outpost 4.0, but there shouldn't be any interaction with it by simply resuming/continuing with standard shield after a scan and there is/was no pop-up about any possible anti-leak feature.

With all three users reporting this here, all are using outpost pro firewall, they are also using the latest version of avast, they have AdAware or Spybot S&D (unrelated I think), as far as I'm aware they are also on XP SP2 fully patched OS, if there any other common features I don't know of them.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Vlk on October 13, 2006, 07:09:33 PM
Just had a look at the dump file and all I can say is WOW!!!

I mean, it's been a long time since I had so much fun analyzing a dump file. Frankly, THANKS.

To make (very) long story short, the problem is related to avast reporting its status to the Windows Security Center (believe it or not). Outpost IS involved - but in a very special way (it's not their fault).

The deadlock goes like this: a user presses the Resume button for the Standard Shield provider. This is handled by the ashDisp.exe process. The ashDisp.exe process sends a message to the main avast service process (ashServ.exe) which in turn locks the standard shield's provider lock, re-enables the provider, and reports the new status to Windows Security Center engine. Now, the WSC engine dispatches this request to yet another process, svchost.exe which hosts the Windows WMI service. This process uses a different thread to do the actual processing. And as part of it, it gets hooked by one of the Outpost DLL's (wl_hook.dll) which tries to (synchronously) load. This load request is trapped by the avast Standard Shield driver aswMon2.sys (yes, Standard Shield is already running at this moment) which eventually dispatches a scan request back to ashServ.exe. However, the scan never completes, because the Standard Shield provider lock is still held by the thread that is processing the "resume" request - and voila, we have a system deadlock!

I'm sorry if you have no clue what I'm talking about but I was so amused I had to tell it to someone... ;D


Anyway, a temporary fix should be to add the "wl_hook.dll" file to the list of Standard Shield's exceptions (use e.g. something like *\wl_hook.dll). Meanwhile, we'll try to come up with a better solution on our side (for the next program update).


Again, guys, THANKS for this. This is one of the moments when I realize how much I love my job (right, this is what I needed after the spam incident last night...) :)


Enough!

Cheers
Vlk

Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 13, 2006, 07:24:41 PM
I'm glad that you found it so interesting, fault finding at times can have very little joy. I'm also glad that you have found the cause and are trying to simplify the process, in the meantime I will add the exception to Standard Shield.

Yes I did understand your explanation of what is going on and a good piece of detective work you did, thanks for your efforts on our behalf.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Vlk on October 13, 2006, 07:31:47 PM
I'd just like to know if adding wl_hook.dll to the list of Standard Shield' exception resolves the problem - it is possible that it does not, e.g. if Outpost would be loading other DLLs as well...
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 13, 2006, 07:52:15 PM
I will test when I'm on line and let you know.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: DavidR on October 13, 2006, 08:05:28 PM
OK tested and the work around does the job. Paused standard shield, ran adaware, closed adaware, clicked continue, after a short period of time standard shield back running and no hang.

I didn't test it against any other on-demand scanner as the process I believe is the same regardless of the other on-demand scan.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: Vlk on October 13, 2006, 09:15:59 PM
Very good.

Thank you.
Title: Re: System Hangs - avast! on-access scanner window shows (Not Responding)
Post by: tls on October 13, 2006, 10:51:02 PM
Very interesting explanation, even though I have only half a clue (had to read it four times to get that much!).  The effort is certainly appreciated here, and I have already put the work-around to work. Thank you!

Terry

P.S.  I am thankful no more input from me was necessary to find the solution.  I unexpectedly had to work 12 hours yesterday and wasn't able to do anything with my computer.