Just to be sure and not get any unexpected problems,
restart your mac holding down the SHIFT key until the Safe BOOT login appears.
Install your update the restart one last time.
Good Luck
Apple Security Update
for PPC OS X 10.4.11
Version: 2008-008
NO problems here! - ted.g.burton_dotmac
Also no problems here, even using Software Update without running Disk Utility before or after. The tales below are unlike my experiences for the last 20 years with Macs. I have never, ever had problems with a Software Update from Apple.Reply to This
Thursday, May 24 2007 @ 04:42 PM PDT