I bought my wife a Laptop and installed ubuntu 10.04 as I was tired to answer all her questions about the stupid windows messages "want to do this and that ..." Of course I advertised Ubuntu as a super stable system and so on.
The amount of questions dropped significantly, however unfortunately the update manager doesn't work. It shows the updates, you tell the machine to install, password, it updates and shows you the same updates you should install. Of course she is teasing me. Upgrade via terminal works. I deinstalled and reinstalled the updatemanager, no change.