Hi I have the same problem - PS24 works fine - PS25 crashes after a few seconds.   A fix Change compatibility mode for the exe to Windows 8, and it seems to work fine. Not extensively tested  as yet, but at least I work with it.

Older versions of PS allowed you to copy effects from one clip to all clips I want to apply the Audio Leveler to all of the clips in the movie - how do I do this in one operation? (I have tried groups / multiple section / .... - nothing seems to work