I’m using Premiere Pro CC. Everything is up to date.
I tried trashing the preferences as you suggested, and am testing this 7 minute AVCHD clip. Exporting with the same settings as a few days ago (vimeo 720p 23.987fps preset). I am exporting it to the desktop, and it’s still taking way longer than it should. It’s been running for about 30 minutes now and is only at 12%. I copied the project over to another drive so I could test the speed on a different machine, and a different hard drive. Similar results. Really slow on my 2011 Macbook exporting to the desktop… running the project through our mac mini server via ethernet, which for a clip like this should not be a problem. I’ve exported much more complicated projects via the server without issue in the past.
I can’t imagine what the issue could be! I’ve tried everything I can think of for days now, and all our projects are getting backed up because stuff is just taking forever to export. If you have any other ideas, let me know!