Use Gspot to identify what codec is used
http://dvd.box.sk/index.php?pid=soft...pol=2&rid=7424
Download NimoPack(package of the most used codecs, all in one installer)
http://dvd.box.sk/index.php?pid=soft...pol=2&rid=6521
or go wisit this site to download them manually
http://dvd.box.sk/index.php?pid=soft...s=codecs&pol=2