I have the same problem on my Acer Travelmate 4220 after a clean install of 10.04 32bit. As a workaround, try to disable the power manager at system->preferences->startup applications.
-- When logging on power manager fails https://bugs.launchpad.net/bugs/563862 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs