We need a complete explanation on what went wrong and why should we stick to Avast! after several of our exe files and even windows dlls deleted.
I completely agree with @ chgoguy7 - please read his messages:
http://forum.avast.com/index.php?topic=51634.msg436915#msg436915
and
http://forum.avast.com/index.php?topic=51623.msg436904#msg436904