I have installed : PotPlayer 1.5.40373.exe Released: 08 Oct 2013 found at filehorse.com > old versions kernelex 4.5.2 is on my machine, but I installed Potplayer without Kernelex-options After installation Potplayer don't start . Go to C:\Programms\Daum\PotPlayer\PotPlayerMini.exe Choose Kernelex-mode: windows xp sp2 But after that I cannot open any video's :: Warning: missing video decoder... Now choose: Preferences > video > choose "video renderer" > apply > o.k I choose skin: original_en.dsf easily can choose :video und audio equalizer tested mp4, avi , flv , video(.ifo/vob) with sucess