Hi Peter,
Thanks again for the response. The clicking has persisted. I’m running version 8.1.0, build 81 on an iMac with a 680mx graphics card and the io XT. The clicking is apparent on playback and the output renders.
Also, PP2014 has become massively unstable on my system. Lately I’ve found the video will simply stop outputting (or displaying on the PP program window) randomly while navigating the timeline. I can save and restart which brings it back on for a while. And then sometimes I’ll get the “serious error” crash and lose lots of work. Should I consider a total re install of my system or is this some other known issue?
Bob

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Robert Pierce
Director of Photography • Editor
http://www.robertpiercemedia.com