so i just updated to 10.4.8 and now everything is screwy. every time i try to open ichat, it opens for a few seconds, logs me in, and then unexpectedly quits. i tried running macjanitor, but whenever i click the button to allow allow tasks, it closes unexpectedly too! to summarize: - i'm on a rev. B g5 imac - i just updated to 10.4.8 - apps keep unexpectedly quitting - i tried macjanitor, it won't let me run it - i tried restarting, it didn't work HELP!