Thanks for the quick response!
1. I tried uninstalling all the Red Magic plugins…to no avail; still when I apply the Twixtor effect it says “Twixtor” in the inspector panel, just with no options under it!
2. I am running the Yosemite build of Mac OS X, so I’m on version 10.10 – that must be the issue right?
Thanks in advance for any help,
Brandon