demo problem..

wcg-europe turnir u Counteru-Strike zavrsen je danas i to stoji na vijesti i ovo odakle skinem demo.. :http://www.wcg-europe.org/sec-tourney/turnier/?do=media&id=192 (normalano) rega cekao da skinem i skinuo sam ali nemoze nesta uradim ja sve extract C: program files/valve/cs demo rename copy i u konzoli kucam playdemo "... ali pise ovo

Playing demo from cs_final_pentagram_vs_sk_dust2.dem.
ERROR: couldn't open.Ostali mechevi mi rade normalno.. plzz pomoc !