open your published html in a browser. any problem?
Yes... It won't publish the scenes in sequence, only plays one selected
scene at the time
create a new fla with a few scenes and publish>open in browser.
if yes, reset your preferences -
adobe media encoder: https://forums.adobe.com/thread/1713540
after effects: http://helpx.adobe.com/after-effects/using/preferences.html
muse (mac): https://forums.adobe.com/thread/1246022?tstart=0
if that fails, uninstall, clean (http://www.adobe.com/support/contact/cscleanertool.html) and reinstall