DavidR
5
Since the Hardened Mode really falls under the File System Shield, I wonder if it might be in that report file.
C:\Documents and Settings\All Users\Application Data\AVAST Software\Avast\report\FileSystemShield.txt (XP location)
C:\ProgramData\AVAST Software\Avast\report\FileSystemShield.txt (win7 and later OS location).