Modern versions of update manager already warn users that updating/upgrading when not connected to a power source is a bad idea.
** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/841573 Title: No warning when accepting an upgrade on a off-line laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/841573/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs