On Jul 15, 2007, at 5:57 AM, Jon Warms wrote: > Sounds like the padlock is locked, preventing any time zone > changes. On the time zone map (System Preferences>Date & Time>Time > Zone), is the padlock in the lower left corner locked? If so, click > on it and enter an administrator's name and password and click OK. > Then you'll be able to change the time zone. > > Jon Thanks, but see posts for resolution (corrupt file replaced by Combo Update). Panel was not locked. Tom