Re: Cant play the downloaded video file ( unknown format )?
Oh come on! Surely no-one is that naive these days?
Words like “DVDRip” are a bit of a give away!
If you are really not sure, check if you can buy the dvd in shops or on line — if so, any “free” download is a pirate copy.
Links removed from your post above and topic CLOSED
(but left as a warning to others :evil: )