Just happened to me out of nowhere! I'm running Lucid 10.04. I had plugged in an external USB drive + wireless mouse.
Upgrading to last kernel (2.6.32-40) and reinstalling the package with "sudo apt-get --reinstall install gnome-power-manager" appears to solve the issue so far... -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in Ubuntu. https://bugs.launchpad.net/bugs/563862 Title: USB Devices and Some CDs cause gnome-power-manager to fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/563862/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs