I just tried this on an older system (ie with the previous version of unity on it), and I was able to get the main update-manager window showing there when it was minimized and the update dialog was showing. It was invisible in the chooser, though - I had to guess where it was and click on it.
I just tried this on an older system (ie with the previous version of unity on it), and I was able to get the main update-manager window showing there when it was minimized and the update dialog was showing. It was invisible in the chooser, though - I had to guess where it was and click on it.