Numerous videos on my hard drive now do not play which I click on the file name. A few do, but I don't know whether they are WMV or some other format. There are simply too many different video formats to try to keep track of.
Nothing personal, but WMP is a lousy media player compared to others out there. Try something better (and free): It handles just about everything out there.
"Channeling the spirit of jboy..."