DavidR
2
The avast shields are now broken down into areas, so they have been combined into three main areas/shields and the previous shields they have been consolidated into those three shields, File System Shield, Web Shield and Mail Shield.
See:
Avast Shields in avast 9 - some shields are missing - http://www.avast.com/faq.php?article=AVKB89#idt_09