Before downloading videos from YouTube became easy, I used to copy the files from my Temporary Internet Files Folder,
before I shut the site down from Internet Explorer. They weren't always there, but if they had downloaded, they could be found with the name 'videoplayback?params.etc' and just described as 'file'.
Copy, rename to something.flv and it plays. Convert how you wish, with Any Video Converter (freeware) or similar.
May be some other extension required, e.g. mp4.
Otherwise I use Camstudio, (freeware) to record the video playing on the screen.
Just noticed, this is a really old topic.
Edited by petewills , 25 July 2011 - 05:23 AM.