very simple; the installer fails. it says: please contact the manufacturer of the software for assistence.OS is 10.6.8
Logic 9.0.0 fresh install from disk (works fine)updates 9.1.1 to 9.1.3 install fine
on another disk (same computer) I could get Logic installed fine.I'm using the downloadable installers on this page: https://support.apple.com/kb/DL1519
updates 9.1.4 to 9.16 give an error message
"The installation failed.
An unknown installation error occurred.
The Installer encountered an error that caused the
installation to fail. Contact the software manufacturer
so........... that's what I'm doing: HELP PLEASE
Retrieving data ...