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Old 11-11-2008, 12:58 PM   #1
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AVG Virus Scanner Accidentally Removes Critical Windows Component

One popular free antivirus scanner recently created a world of woe for its users

The world of computer security can be a scary place for friends and foes alike. This weekend users' found their AVG software updated with a new virus definition file. Then they quickly found their computers crashing.

What was discovered was that the new virus definition file mistook user32.dll, a critical Windows component, for a container for the Trojan Horses PSW.Banker4.APSA or Generic9TBN. When the scanner went active, it deleted this critical file, thinking it contained a virus, causing the system to crash. AVG recommended users whose definitions auto-updated delete their virus definition file and cancel any scans they have running.

DailyTech - AVG Virus Scanner Accidentally Removes Critical Windows Component
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Old 11-11-2008, 04:20 PM   #2
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Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

For the record, "The problem only affects users of the Dutch, French, Italian, Portuguese, and Spanish language versions of Windows XP."

BJB
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Old 11-11-2008, 07:11 PM   #3
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That's why I have the scan set to not delete anything automatically. Only with my approval.




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Old 11-12-2008, 04:05 PM   #4
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Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

Quote:
Originally Posted by bjbgraphics View Post
"Portuguese."
Yep.... this week i had at least 40 costumers with that problem
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Old 11-13-2008, 08:17 PM   #5
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Talking Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

That's when you just switch to Avira...
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Old 11-15-2008, 11:18 AM   #6
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Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

I haven't had any problems on my 4 machines...Just lucky I guess!
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Old 11-15-2008, 03:03 PM   #7
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Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

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Originally Posted by bajo View Post
That's when you just switch to Avira...
No email scanner (last time i checked..) and those annoying popup's about the paid version
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Old 11-15-2008, 07:33 PM   #8
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Wink Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

Quote:
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No email scanner (last time i checked..) and those annoying popup's about the paid version
Yeah, but only temporary, 'till they fix the avg bugs.. and email scanner was always just annoying to me.. no real benefits anyways, just slows everything to a halt...
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Old 11-16-2008, 06:18 AM   #9
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Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

Quote:
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Yeah, but only temporary, 'till they fix the avg bugs.. and email scanner was always just annoying to me.. no real benefits anyways, just slows everything to a halt...
They already fixed on last monday
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Old 11-16-2008, 08:26 PM   #10
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Talking Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

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They already fixed on last monday
cool !.. however, I switched to Endpoint meanwhile..
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Old 11-18-2008, 09:45 AM   #11
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Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

Looks like AVG is on the way to terminate itself...


...a few weeks ago AVG and its "Resident Shield" it started to remove my firewall Zonealarm as it reported 904 trojans spyware virus etc, it took 3 hours to fix the mess that that "False Positive" made...


automatic updates are very good when you can rely on them but when they cut out parts of your working computer it's really bad, REALLY BAD!

(I donīt believe for a second that it really was just a FP but some shady corporate tactics for whatever reason )
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Old 11-22-2008, 06:58 AM   #12
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Thumbs down Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

Quote:
Originally Posted by traveler View Post
That's why I have the scan set to not delete anything automatically. Only with my approval.
yes but not all programs let you do this anymore. remember this ??

for those that don't want to read the chat log, just look at the picture at the end... norton antivirus (and no doubt maybe some other such programs) no longer give you a choice!!!
be warned!!!

edit: ok i attached the pic....

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Last edited by Kimbo; 11-22-2008 at 07:04 AM..
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Old 02-04-2009, 05:01 PM   #13
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Question Re: AVG Virus Scanner Accidentally Removes Critical Windows Component

say what...??
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