DavidR
3
You must have switched it on as it is off by default.
If you read this topic, RejZoR’s description on the effects of and use of the avast! Hardened Mode - http://forum.avast.com/index.php?topic=142172.msg1032485#msg1032485. You may find it better to switch it to Aggressive mode if you only have it on Moderate.