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Author Topic: Avast install breaks windows 7  (Read 13949 times)

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Avast install breaks windows 7
« on: January 04, 2016, 05:36:15 PM »
Tried 3 times now, reboots near the end of installation, but Windows won't start. Tries Startup Repair but this always fails.  Have to go to System Restore to make PC usable again.
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #1 on: January 04, 2016, 05:41:18 PM »
Have similar issue.  First -  I have a license on this machine....went on vacation for a few weeks and didn't start computer the whole time.  I start it up, and it says that I am using the free version now, and that I need to update.  Do an update...hangs on update.  Computer shuts down by itself.  Uninstalling avast doesn't work either - I had to disable the engine on startup, and I am going to try a fresh install of the software...and put the license that is already on the machine back into the software...
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Offline Eddy

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Re: Avast install breaks windows 7
« Reply #2 on: January 04, 2016, 05:46:29 PM »
Perform a clean installation of avast.

- Download the full installer for the version you want ( https://forum.avast.com/index.php?topic=179855.0 )
- Remove avast through control panel (skip this step if you get a error)
- Run avastclear
- Make sure all remnants of previously installed av's are removed ( http://www.ache.nl for links to tools/instructions )
- Reboot
- Run the installer
- Reboot
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #3 on: January 04, 2016, 06:02:17 PM »
Anytime I run ANYTHING Avast...it hangs....Even tried AvastCleaner to remove everything....no dice...
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Offline Eddy

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Re: Avast install breaks windows 7
« Reply #4 on: January 04, 2016, 06:05:33 PM »
Boot in safe mode and run avastclear.
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #5 on: January 04, 2016, 06:18:11 PM »
Tried it twice now....Avastclear window pops up, get the nice circle animation....and it just hangs...hard drive doesn't do squat.  Machine works just fine without Avast running.. 

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Offline Eddy

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Re: Avast install breaks windows 7
« Reply #6 on: January 04, 2016, 06:20:17 PM »
You did started avastclear in safe mode ?
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #7 on: January 05, 2016, 01:19:12 AM »
yes. Same thing happens.  Ran it in safe mode with and without network support....it starts spinning, and then it will just keep spinning over and over and over,,,and slowly things start to come to a crawl... This isn't over a 10 second period either...first time I let it run for 30 minutes on lunch, and when i got back it wasn't even spinning anymore.  Second time, I watched it for about 12 minutes and watched it do the same thing.
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Offline Eddy

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Re: Avast install breaks windows 7
« Reply #8 on: January 05, 2016, 08:57:27 AM »
Ok, time to try something else.
Get Farbar, run it and attach two log files to your next post.
We need FRST.txt and Addition.txt

http://www.bleepingcomputer.com/download/farbar-recovery-scan-tool/
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Re: Avast install breaks windows 7
« Reply #9 on: January 05, 2016, 06:56:30 PM »
No, does the same.  Gets almost to the end of the install progress bar, reboots, and says "Windows failed to start, perhaps a recent hardware or software change caused this".   Back to system restore :-(
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #10 on: January 05, 2016, 07:08:40 PM »
FRST is attached....I have to Zip "Additional"
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #11 on: January 05, 2016, 07:14:09 PM »
And ZIP doesn't work...so....I opened "Addition.txt" and there was a slew of 0's int he middle of it...
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Offline essexboy

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Re: Avast install breaks windows 7
« Reply #12 on: January 05, 2016, 09:19:56 PM »
Run this from safe mode after you have copied FRST to your desktop

CAUTION :  This fix is only valid for this specific machine, using it on another may break your computer

Open notepad and copy/paste the text in the quotebox below into it:
 
Quote
CreateRestorePoint:
ShellIconOverlayIdentifiers: [00avast] -> {472083B0-C522-11CF-8763-00608CC02F24} => C:\Program Files\AVAST Software\Avast\ashShA64.dll [2015-09-28] (AVAST Software)
BHO: avast! Online Security -> {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} -> C:\Program Files\AVAST Software\Avast\aswWebRepIE64.dll [2015-09-14] (AVAST Software)
BHO-x32: avast! Online Security -> {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} -> C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll [2015-09-14] (AVAST Software)
Toolbar: HKLM - avast! Online Security - {318A227B-5E9F-45bd-8999-7F8F10CA4CF5} -  No File
Toolbar: HKLM - No Name - {CC1A175A-E45B-41ED-A30C-C9B1D7A0C02F} -  No File
S3 avast! Antivirus; C:\Program Files\AVAST Software\Avast\AvastSvc.exe [146600 2015-09-28] (AVAST Software)
S3 AvastVBoxSvc; C:\Program Files\AVAST Software\Avast\ng\vbox\AvastVBoxSVC.exe [4048280 2015-09-28] (Avast Software)
R2 aswHwid; C:\Windows\system32\drivers\aswHwid.sys [28656 2015-09-28] (AVAST Software)
R1 aswKbd; C:\Windows\system32\drivers\aswKbd.sys [28144 2015-09-28] (AVAST Software)
R2 aswMonFlt; C:\Windows\system32\drivers\aswMonFlt.sys [90968 2015-09-28] (AVAST Software)
R1 aswRdr; C:\Windows\system32\drivers\aswRdr2.sys [93528 2015-09-28] (AVAST Software)
R0 aswRvrt; C:\Windows\System32\Drivers\aswRvrt.sys [65224 2015-09-28] (AVAST Software)
R1 aswSnx; C:\Windows\system32\drivers\aswSnx.sys [1059656 2015-11-06] (AVAST Software)
R1 aswSP; C:\Windows\system32\drivers\aswSP.sys [449992 2015-11-06] (AVAST Software)
R2 aswStm; C:\Windows\system32\drivers\aswStm.sys [153744 2015-09-28] (AVAST Software)
R0 aswVmm; C:\Windows\System32\Drivers\aswVmm.sys [274808 2015-09-28] (AVAST Software)
R2 VBoxAswDrv; C:\Program Files\AVAST Software\Avast\ng\vbox\VBoxAswDrv.sys [274336 2015-09-28] (Avast Software)
Reg: reg delete HKLM\SOFTWARE\Policies\Microsoft\Windows\IPSec\Policy\Local /f
Reg: reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\IPSec\Policy\Local /f
Hosts:
RemoveProxy:
EmptyTemp:
CMD: bitsadmin /reset /allusers

 
Save this as fixlist.txt, in the same location as FRST.exe

Run FRST and press Fix
On completion a log will be generated please post that
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #13 on: January 06, 2016, 04:07:06 PM »
Well this is interesting.....now it wont' get past the Ctrl+Alt+Del page....tried both normal and safe modes....  Hard drive is going bonkers on startup with the CTRL+Alt+Del screen....

I will work with it a bit here to see if I can get past that...
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Offline catman2112

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Re: Avast install breaks windows 7
« Reply #14 on: January 06, 2016, 04:41:41 PM »
had to do a system restore to two days ago to get the Ctrl Alt Del to work....

Thoughts?
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