when i download video it always says cannot play video bad file becouse of bad file name is this something i can fix or should i just delete the video thanks

Could you please provide some more details, and specs please?

every time i download a video well not everytime but it will say bad file name wehn i try to play it

we need to know your specs. What Operating System do you use? What do you use to play videos, what version of limewire do you have etc., etc.

i have win xp pro and i use windows media player and and qiuck time media player

Configure your players to be the default media player for their respective types of media they play.