My Sound has disappeared in the last 2 videos I've made since signing up for the free trial of Adobe Express Pro. I've used this software in the past without issue. Now I can't get the sound which is hearable to stay hearable before I'm done with the video and can upload it. I've tried turning off the computer and tried downloading the video before uploading into a new video. Nothing works so far. Arghhhhhhh! Help would be appreciated.