Terrible Preview Output in Bridge

Hey Everyone, I've been having this problem with Adobe Bridge for a while, but i'm getting very terrible, muddy previews (As seen in the video below)

This seems to be for videos with Alpha channels. I did notice Media Encoder has the same issues with displaying videos with alpha channel during my renders. However, when i view the end product in windows media or VLC its fine.

Does anyone know how to fix this issue of muddy/terrible looking previews? 

Thanks so much!

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