Solution
Please Install the Updated Packages.
Insight
The KDE panel has a clock applet which includes de hability to change its appearance and behavior. Because of a configuration problem, this applet was not properly saving these changes were not properly saved, being lost at every user login.
This update fixes the problem.
Affected
mandriva-kde-config on Mandriva Linux 2008.0,
Mandriva Linux 2008.0/X86_64