i got in touch with adobe and they had someone fix it by taking control of my computer…but i didnt see how it was fixed…i stopped watching after about 20 minutes
have you restarted after effects..or your computer…ive had this happen to me one time and it was because my render was so intensive heavy. Could be a corrupt video or a probelm with element 3d. not sure
Oh you wanted to downgrade to 720p…I thought you wanted 1080 Interlaced…but yes either way media encoder is the answer…just note that in media encoder 1080 i is interlaced.