JWplayer error ‘Video not found or access denied’

ExeOutput for PHP
1

Hi,
i am using JWplayer to play audio and video files in my exe.
this is my html file:

<script type="text/javascript" src="jwplayer.js"></script> 	

<script type="text/javascript"> 	

      $(document).ready(function () {
          jwplayer("PlayMP4Video").setup({
              file: "SampleVideo.mp4",
              flashplayer: "player.swf",
          autostart:true
          });
      }); 	 	

 </script> 
 </head> 
 <body>    

<div id="PlayMP4Video">                            
</div> 

</body>

it play both mp3 and mp4 in browser. But after generating exe with chromium engine it only playing mp3. Mp4 files are not playing and it gives an error " Video not found or access denied ".
pls help me guys…