Yes, but only ever on torrented divx, and then not always, I am yet to pin down the exact reason but it was definitely worse on my old pc with a zillion codecs installed. Just a guess really, I think it has more to do with dodgy source material as it has never ever happened with captured DV footage.

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I have two prejudices - I am anti HDV for consumer camcorders, and I eat mooks who claim to be pro wedding vidders and ask dumb questions.

www.zaskarfilms.com You tube channel 'zaskarfilms'
JVC DV5001e (big cam), Sony PC6E (tiny cam), Vinten pro5, PAG light, SM58, Sony ECM50, Sony C-76, 0.5x convertors for sony, Rode video mic, Vegas 7.