Screen Saver problem - Console message alarms that repeat

3/29/08 11:17:53 PM ScreenSaverEngine[362] Warning once: This application, or a library it uses, is using NSQuickDrawView, which has been deprecated. Apps should cease use of QuickDraw and move to Quartz.

I am running Mac OSX 10.5.2 on a powerbook g4.

Is this something I can correct?

I also have the problem of the system not shutting down until I suspend the project first in the BOINC Manager.

Thanks
Sean