Unable to download video to pc from JVC everio GZ-HD300AU

If you want to download online videos, you can just use Leawo Free YouTube Downloader. It is awesome. It is more powerful than other downloader software, and help you to save time.
This is its user guide - http://www.leawo.com/youtube-download/user-guide.html

I think you can try another kind of downloader.
Google a program called
Video Download Studio
then you can use it FREE download video or audio form YouTube, google, metacafe, redtube, dailymotion etc. attention: download function is no need to register
you can also use it to convert video to audio, video to video, audio to audio.
use it convert video to mp3 mp4 for your iPod
tutorial;
http://www.downloadvideos-convert.com/how-to-use