Limewire video wont show video but loads sound.?

Okay so i got a vid from LW and it loads the sound but not the video i have tried everything nero wmp vlc flv EVERYTHING!!!! DONT GIVE AN ANSWER THAT SAYS DONT DOWNLOAD FROM LW I AM AWARE OF THAT IF YOU ARE NOT GOING TO EXPLAIN HOW TO FIX PROBLEM THEN DONT ANSWER REALLY!!!!