How to fix - After Effects CS6 initializing MediaCore freezes at Startup
The Solution that worked for me.
You will need:
** Adobe CS6 Installer Setup
** Adobe CS5 Installer Setup
Un-Install Quicktime
Un-Install After Effect CS6/Premier Pro CS6
Delete Preference Folder (if it's already there)
Restart Computer
Use Adobe Cretive Cloud Cleaner(CC Cleaner) to clean all trace of adobe installation.
(https://helpx.adobe.com/creative-clou...)
Restart Computer
Install "Adobe Creative Suit 6 Master Collection (Or After Effect Cs6/Premier Pro
CS6)
Install Quicktime
(and this is the trick) - Install Adobe CS5 - Premier Pro/After Effect
and that worked for me.