Actually I figured out today what caused it in my case. I had a VERY large AE dynamically linked project that was was the last thing on my PrP timeline. It just took a while to render as I exported the timeline. And in light of that, Im not to concerned about the strange display.
Tom Daigon
PrP / After Effects Editor
http://www.hdshotsandcuts.com
https://www.youtube.com/watch?v=DxPrG3WUyz8
(Best viewed at 1080P and full screen)
HP Z820 Dual 2687
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