you need a codec to play wmv files and wma files aswell i would assume. And if not a codec download windows media player for mac wmv = Windows Media Video wma = Windows media Audio. Get where im going at with this?
I seem to be having this trouble with finder. I can't look at things in columns or finder will freeze and be forced to restart. When this problem first arose I also realised that textedit had stopped opening. Also I seem to find a file that keeps appearing in my macintosh hd called ms...