updates aren't installed when using ubiquity kde frontend. the updates box is ticked and I did have an internet connection. the restricted packages did get downloaded and installed. only restricted packages and language pack dependencies are in /var/cache/apt/archive
from bug 652945:
updates aren't installed when using ubiquity kde frontend. the updates box is ticked and I did have an internet connection. the restricted packages did get downloaded and installed. only restricted packages and language pack dependencies are in /var/cache/ apt/archive