Version: (using KDE 4.2.0) Installed from: Ubuntu Packages Steps to reproduce: - install a new theme - go to system settings/advanced/desktop theme details - change the theme - apply button doesn't enable try: - modify just one entry (ex. shutdown dialog) - apply button enables - apply and close all - reopen system settings/advanced/desktop theme details ... and the changes have not been saved...
Sorry, everything works as it should.