Let’s try again. I do have some tricks under my sleeve. Tell me will this fix your problem?
This script shall fully delete all avast’s related files to see will this fix a problem. If all fails, then we shall try to restore system.
First things first…
Open notepad.
[*]Click Start
[*] Type notepad.exe in the search programs and files box and click Enter.
[] A blank Notepad page should open.
[] Copy/Paste the contents of the code box below into Notepad.
Start
HKLM-x32\...\Run: [avast] - C:\Program Files\AVAST Software\Avast\AvastUI.exe [4858968 2013-08-30] (AVAST Software)
S2 avast! Antivirus; C:\Program Files\AVAST Software\Avast\AvastSvc.exe [46808 2013-08-30] (AVAST Software)
S2 aswFsBlk; C:\Windows\System32\Drivers\aswFsBlk.sys [33400 2013-08-30] (AVAST Software)
S2 aswMonFlt; C:\Windows\system32\drivers\aswMonFlt.sys [80816 2013-08-30] (AVAST Software)
S1 aswRdr; C:\Windows\System32\Drivers\aswrdr2.sys [72016 2013-08-30] (AVAST Software)
S0 aswRvrt; C:\Windows\System32\Drivers\aswRvrt.sys [65336 2013-08-30] ()
S1 aswSnx; C:\Windows\System32\Drivers\aswSnx.sys [1030952 2013-08-30] (AVAST Software)
S1 aswSP; C:\Windows\System32\Drivers\aswSP.sys [378944 2013-08-30] (AVAST Software)
S1 aswTdi; C:\Windows\System32\Drivers\aswTdi.sys [64288 2013-08-30] (AVAST Software)
S0 aswVmm; C:\Windows\System32\Drivers\aswVmm.sys [204880 2013-08-30] ()
C:\Program Files\AVAST Software
C:\Windows\System32\Drivers\aswFsBlk.sys
C:\Windows\system32\drivers\aswMonFlt.sys
C:\Windows\System32\Drivers\aswrdr2.sys
C:\Windows\System32\Drivers\aswRvrt.sys
C:\Windows\System32\Drivers\aswSnx.sys
C:\Windows\System32\Drivers\aswSP.sys
C:\Windows\System32\Drivers\aswTdi.sys
C:\Windows\System32\Drivers\aswVmm.sys
End
[*] Save it to your USB flashdrive as fixlist.txt
Boot into Recovery Environment
Start FRST in a similar manner to when you ran a scan earlier, but this time when it opens …
[*] Press the Fix button once and wait.
[*] FRST will process fixlist.txt
[*] When finished, it will produce a log fixlog.txt on your USB flashdrive.
Exit out of Recovery Environment and post me the log please.