p4 video

Good Morning I'm not sure if I posted this correctly a few days ago, wrong location etc. So I'm interested to know if other P4 users are having similar problems with their videos? Great video output from P4 - destroyed in App! Any comments or suggestions appreciated guys!

Made my first video with my P4 and spent a good amount of time with the clips in post production (Mac iMovie). It's short but nice. So I try to use iMovie's "share to Youtube" function, but Youtube says the upload failed. It's a short video, about 1min20sec. *Actually, if you see the reply...