10.04 not error in updation

[mosaic2s]

Running 10.04 on 4 systems.
in one system - updation needed, downloads - but fails at utils core. this has happened 3 times. system is otherwise running ok.
snapshot is attached for reference.

[mörgæs]

What happens if you boot the machine and enter


sudo apt-get clean
sudo apt-get update
sudo apt-get upgrade

[mosaic2s]

it worked like a charm.
thanks. I forget such simple stuff at times.