This is also another option https://www.youtube.com/watch?v=gTPCHzxhDcE
He shows how to enable the install from anywhere -- View this message in context: http://apache-flex-users.2333346.n4.nabble.com/failed-to-run-installer-3-2-on-my-Mac-OS-Sierra-tp14607p15741.html Sent from the Apache Flex Users mailing list archive at Nabble.com.
