Yep, me too. It crashes about 75% of time I do anything.
- Upload files
- Save new files
- Find & Replace
- Copy & Paste
I am NOT using fluid grids, and my CSS files are perfect (no missing {s, etc.). I am using SASS for managing my CSS files, so you know they're not a problem or else I would get an error on save.
I take a chance with everything that I do in DW CC. I've been a DW user since version 1 with Macromedia and have never ever had problems like this.
I've tried all of the suggestions: font duplicates, removing configuration files, etc.