I have been using WMR Pro 9.0 for a while now with constant succes. Recently, however, it has been recording YouTube videos as "video.flv" as opposed to the typical "get_video.flv". These files are utterly useless, they take up space but don't have any video or audio content.
Here is a video that acts like this:
http://www.youtube.com/watch?v=etWw3...rom=PL&index=1