This has happened to me when rendering from videos of dubious pedigree, like torrented divxs, could that be it ? ?

My very flaky theory about this is that vegas doesnt like, err, adult videos, or there are 'faults' in the video or maybe it is the result of too many installed codecs.

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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.

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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.