OK lets now remove the files and folders
Then try Avast uninstall
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:
CreateRestorePoint:
D:\Windows\system32\drivers\aswMonFlt.sys
D:\windows\System32\Drivers\aswrdr2.sys
D:\windows\system32\Drivers\aswSnx.sys
D:\windows\system32\Drivers\aswSP.sys
D:\Program Files\AVAST Software
EmptyTemp:
CMD: bitsadmin /reset /allusers
Save this as fixlist.txt, in the same location as FRST.exe
https://dl.dropboxusercontent.com/u/73555776/FRSTfix.JPG
Run FRST and press Fix
On completion a log will be generated please post that