You can try running Mac in Safe Boot Mode and then install update.
http://helpx.adobe.com/x-productkb/global/start-safe-boot-mode-mac.html
Regards,
Anoop
You can try running Mac in Safe Boot Mode and then install update.
http://helpx.adobe.com/x-productkb/global/start-safe-boot-mode-mac.html
Regards,
Anoop