That's a weird one
Well I think you either need codecs or you can try the VLC player. There are 2 threads about your prob
http://www.gnutellaforums.com/showth...es+upside+down
and
http://www.gnutellaforums.com/showth...es+upside+down
There are links to codec packs & VLC here
http://www.gnutellaforums.com/showth...threadid=40665
*next time, try using the search (top right between faq & home) & please don't double post!!