I guess you're just being unluky. I have downloaded plenty of Porn files and never had this problem (well two actually
) ...files not problems...
However........
If you are going for windows files you might be wiser to go for mpeg or avi.
Have a look at the following thread
http://www.gnutellaforums.com/showth...threadid=31862
not relevant to your question but VLC player is good for playing all sorts of files and many prefer it wmp