I'm trying to add a 21mb .mp4 video file to a presentation. i added a 'video' item from the drop-down list i clicked 'file...' to add a file from my desktop i tried adding it as a local file and as uploading. when i click 'add', proclaim crashes within 10 to 30 seconds. i tried 5 or 6 times, did a clean install and tried 2 more times. log files attached