Well, Day 3 of troubleshooting Adobe software. Sure wish that I could at least get medical insurance from them! In addition to the steps in my initial post, I have now - Uninstalled all plugins. Cleared plugin cache. Trashed Preferences. Transcoded my single video clip to DnxHD. Uninstalled and reinstalled Premiere Pro CC 2015.4 Reverted my nVidia driver all the way back to 373.06 I have narrowed down what is causing the issue, or at least what conditions trigger it. I have a very simple timeline, two green screen clips keyed with Ultra Key and a PSD background. I nest each clip in order to place a Lumetri Vignette on it. All is well until I place a transition between the two nests. The transition can be a Cross Dissolve, doesn't seem to matter. When the CTI hits the dissolve, the nVidia driver fails, then recovers, but Premiere also fails and closes. If I disable CUDA, it works fine. What I've discovered is that if I delete the Ultra Key effect, the issue doesn't occur. Conversely, if I disable the Lumetri Vignette, the issue doesn't occur. If I adjust any other Lumetri Effect settings, the issue doesn't occur. It only happens with the Vignette/Ultra Key combination. I'd appreciate if someone else could try this setup and see if they can duplicate the issue. I have 2 other machines with Premiere installed, but no CUDA, so I can't try it myself.
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