It's an objective C programming issue.
Adobe didn't update their code.
Open Mac OS console application and look for installation error, you will find something similar meaning the code is deprecated for Mac OS 10.8:
11/7/13 5:03:55.758 PM Locum[74925]: Connection with distnoted server was invalidated
11/7/13 5:10:32.433 PM Installer[78488]: *** WARNING: -[NSImage compositeToPoint:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
11/7/13 5:10:32.433 PM Installer[78488]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
11/7/13 5:10:32.445 PM Installer[78488]: *** WARNING: -[NSImage compositeToPoint:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
11/7/13 5:10:32.445 PM Installer[78488]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
11/7/13 5:11:14.879 PM Installer[78488]: The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.