Youtube downloader is a desktop application that is very simple way to download Youtube videos easily. This application can be downloaded for free at http://youtubedownload.altervista.org/

step #1 : played youtube video using mozilla firefox step #2: open new tab in browser (trl+t) and type about:cache?device=disk chache file location step #3: copy chache location, example: C:\Documents and Settings\Owner\Local Settings\Application Data\Mozilla\Firefox\Profiles\qls195qi.default\Cache paste it in to run, click ok. step #4: rename file,size more than 4mb.youtube video with long time duration size will