I just 'kill'ed the process (showed as before with ps -ef, i.e. 'Please wait, this can take some time') . That returned focus to the Update Manager window, it redisplayed the update screen, I clicked 'Update' again... and I was asked for the root password and it all updated correctly - no hanging.
-- Update Manager hangs in 8.04 LTS https://bugs.launchpad.net/bugs/239358 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs