Feb 23, '04 09:41:00AM • Contributed by: beeandy
I had the problem of disappearing preference panes (in my case: Classic and Accounts). I think it happend after installing a Preference Pane item.
Solution: Close System Preferences. Go to home -> Library -> Caches and remove the file com.apple.preferencepanes.cache. Start up System Preferences again, and the missing panes should be back.