Web Player problem

Good day, i have installed the web player application in my web site, i used to upload 15 videos, and plays ok, but the last 2 weeks i uploaded 2 videos, and when you play to see it, after 1 minute the video stop, i reupload it many times, even i recoded the file 3 times, and remains the same error, really i quit, i dont find the error. Can you help me ?. this is the link

http://colonus.com/php/colonustv/modules.php?name=Video_Stream&page=watch&id=41&d=1

thank you
jmfr