How to edit Quicktime Videos and save to upload to youtube?

Hi, guys,according your description, I think it's the video format or video profile issue. As I know, youtube only supports some special codec MOV files well, so you need to use a right software to deal this issue, you can follow me to use Youtube Movie Maker, it can auto convert any videos to the best format and profile youtube videos, then upload onto youtube without any problems, such as convert your MOV files to the best youtube video files, then upload onto youtube successfully. And it also can be used to make youtube videos from various videos, pics, musics, texts, etc. You can download it from makeyoutubevideo.com, easy to use, hope it can help you.