I hav enow used terminal to sudo apt-get update and then sudo apt-get upgrade.
This found 5 updates which were installed ok. I immediately then tried update manager and it then worked normally with no problem.
I hav enow used terminal to
sudo apt-get update
and then sudo apt-get upgrade.
This found 5 updates which were installed ok.
I immediately then tried update manager and it then worked normally with no problem.