AVG Update Borks Windows 7, Here's How You Can Fix It

If you're an AVG user having trouble booting into Windows 7, you have our condolences. Perhaps it might come as a small consolation that you're not alone, and chances are you did nothing wrong. The culprit, AVG says, is that the latest virus database -- 271.1.1/3292 (432/3292) -- released earlier this week is bricking systems with a STOP code.

AVG has since pulled the update, but that doesn't do you any good if you've already installed it. In that case, AVG recommends booting into Safe Mode and running System Restore to a point in time prior to the update. Barring that, AVG says to do the following:
  1. Find a working computer and create an AVG Rescue CD, if you didn't already, and use it to boot into your computer.
  2. When the Rescue CD is launched, navigate to Utilities > File Manager.
  3. Navigate to the mounted system drive (usually /mnt/sda1).
  4. Within this drive, navigate to the /Windows/system32/drivers/ folder and rename (using the F6 key) all files starting with avg (such as avgldx86.sys, avgtdlx.sys, and any others you find) to back them up. You can do this by changing their file extension to .bak.
  5. Remove the Rescue CD and reboot your PC. Your system should now boot with AVG disabled.
  6. Re-install AVG.
Alternately, some AVG forum members recommend booting into Safe Mode with a command prompt and renaming/removing the AVG program folder. Doing so should allow you to boot normally, after which you can then run the repair installation of AVG.

Note that this issue only affects 64-bit versions of Windows. If you're running a 32-bit OS and can't boot up, the culprit is likely something else.
Via:  AVG
Comments
DeltaSquad49 4 years ago

Epic Fail, almost as bad as uninstalling Myth II deleted the whole hard drive.

jonation 4 years ago

avast ftw?

realneil 4 years ago

AVAST is right,..............

acarzt 4 years ago

AVG has really been going down hill lately

realneil 4 years ago

[quote user="acarzt"]AVG has really been going down hill lately[/quote]

I quit using it years ago for AVAST. I never looked back.

 

3vi1 4 years ago

LOL at the ncurses interface of their rescue CD.

At least anyone who had to recover this way can claim Linux experience on their resume's now.

Drago 4 years ago

AVG is worse than what Norton Internet Security was back in 05, slow, eats resources, doesnt detect virus's till after your infected, and constantly blocks you from doing everyday tasks with prompts everytime you click something.

Avast has been the best free AV out for years, idk why people still use AVG is was horrible to start with and has only gotten worse.

rrplay 4 years ago

I can definitely agree with Drago that Avast is the best free AV out for years  and have always recommended tt.

This  came to mind from reading this thread with references to Linux & Avast
Linux Kernel names 2.6.18-2.6.19-  were called:  Avast! a bilge rat!

yep remembered that one !

not sure what version AVG has on the rescue cd  but I doubt that they would be using an '06 kernel.

 

 

 

rapid1 4 years ago

This is why AVG, or any other company needs a thorough R&D team. When your working with the intestines of an OS that should read VERY THOUGH R&D! With all the free virus protection methods like this you can loose an 1/8th of your subscribers to another Virus solution provider as exemplified by the Avast comments.

inspector 4 years ago

avast, sounds interesting. i really need the sandbox protection to browse random sites for a host i work for. i have sandboxie installed but it doesn't come with virus protecting :)

Mike Coyne 4 years ago

I still use AVG 2011 Free Edition on my Windows XP. No problems. Dont worry about that. I knew they will repair that problem then you are good to go by update it

rrplay 4 years ago

Some of the features I have liked about Avast for the past several years are a boot time scanner

game mode, temporarily disable for specific  time, disable until system reboot .

..which can quite handy when running a dif scanner aka [Malware-bytes]

it uses much less resources than AVG as other have mentioned

update it's definitions daily on sys startup

& detected suspect files that some others missed 'I know cause I put them there' to test

The only minor detail encountered by new uses is to simply just register with Avast within 30 days and enter the license key

 

NOTE : thanks realneil for the correct info :" The Boot Time Scanner is gone with Win 7 64 Bit installed.

realneil 4 years ago

[quote user="rrplay"]Some of the features I have liked about Avast for the past several are a boot time scanner[/quote]

The Boot Time Scanner is gone with Win 7 64 Bit installed. But the protection is still great.

It's seamless 'working always' in the background and doing such a good job without any BS is worth it,........especially since it's free.

rrplay 4 years ago

thanks for the heads up re: boot time scanner in Win7 64 bit glad you caught it and set  the info right

 

 

realneil 4 years ago

[quote user="rrplay"]thanks for the heads up re: boot time scanner in Win7 64 bit glad you caught it and set  the info right[/quote]

No, they've already seen that now, and many of them already have 64 bit and know it already. (as long as they realize that it's worth trying out for themselves) I missed the boot time scan feature at first, but I still use the 'screen-saver scan' feature on two of the PC's.

 

rrplay 3 years ago

[quote user="realneil"]

[quote user="rrplay"]Some of the features I have liked about Avast for the past several are a boot time scanner[/quote]

The Boot Time Scanner is gone with Win 7 64 Bit installed. But the protection is still great.

It's seamless 'working always' in the background and doing such a good job without any BS is worth it,........especially since it's free.

[/quote]

Update FYI :: with Avast version 5.1.889 on Win7 64 bit the boot time scanner run option is back now and working   even in the FREE VersionSmile

update to post 02/18/11

realneil 3 years ago

[quote user="rrplay"] the boot time scanner run option is back now and working[/quote]

I found this out a few days ago when a friend's hard drive (I was scanning it on my system through a docking device) alerted AVAST on my system and it asked me if I wanted to schedule a boot time scan. It's a good feature and I'm glad it's back.

rrplay 3 years ago

Having the boot time scanner in the Free  version of Avast working is a great feature.& discovered same in similar scenario as you.

Just by having the program update itself automagiacally to version 5.1 .889 will bring it back. The option is already there to select on the initial scan

Bet you were pleasantly surprised when you saw the Avast message for the 1st time recommending a boot time.scan.I know  I was so I made sure to update the info in this thread for others

yep me thinks Avast is the best and lightest free version one avail these days .

animatortom 4 years ago

That is why I stoped using AVG! When I had to deal with them on a distributor level, their support sucked. I couldnt imagine what it is like for private customers.

All I got were some guys in Germany who were trying to speak German, yet you can tell they are Russian? I am sure these guys are now involed in the whole wiki BS now? They are probably writing worms that slip through their customers systems:P

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