Sound var problem with http

guys, just 2-3 days ago everything worked ok

var my_sound:Sound = new Sound();
my_sound.loadSound(“http://hrrhapps4/training/modules/confidentiality/flash/summary1.mp3”, true);my_sound.start();

this code WORKS from the local computer but flash has NO sound when is played DRIECTLY from that URL
(i have a swf file that call for this sound as an intro movie is played)

what can be a problem?

please help
:nurse: