pupup exe in asp.net using javascript

Hi everyone!
 
I have upplayer.exe file. It is a player to play audio file with .up extention. It
is client's own player.
 
I have a website where i want to play file using this.
 
Process.start(upplayer.exe) runs exe in background. but how to pause or stop it.
 
Someone said to popup it with javascript.
 
anyone have idea regarding how to play file with controler?
 
i have player.exe in both client and servier machine.
I can keep in specific path of client pc also.
 
Please help me.