vegas movie studio 17 crashes when I try to add a video file. I can open the program and ad a photo but as soon as I click on a video file (.mp4 from a sony a7RIII) to add it, it crashes. I can open up movie studio 13 and it will open the same file with no problems. I've tried uninstalling and redownloading the software and installing it again but it does the same thing. Any help would be greatly appreciated!