Quote Originally Posted by (m/f) View Post
Version 1.6 is still supported. The updates were uploaded yesterday and there was no hint that something was wrong. As the "normal" update for 1.6 did not work for some of you, please try the manual update and post if this worked. We will investigate this further. Thank you.
The manual update appears to have worked - when I check Spybot it shows that the definitions are now for 11 June 2014.

What have your investigations shown?