The number of active shields went from five with the previous version to two,
http://www.avast.com/en-eu/faq.php?article=AVKB89#idt_09
[b]Some real-time shields are missing after upgrade to avast! 2014. Where I can find them in avast! 2014 ?[/b] The number of real-time shields in avast! 2014 is reduced by merging some of them to another. The P2P Shield, IM Shield and Behavior Shield are now a part of the File System Shield, while the Network Shield with Script Shield are a part of the Web Shield.