CS4 : AS2 : Problem in using fscomman("exec","");

Please help how to use fscommand function in adobe flash cs4. I can’t make it work.
The condition:
I put the application that i want to execute inside the subfolder named “fscommand”
and i use the code :
on(release){
fscommand(“exec”,“Test1.exe”);
}

but nothing happen. Please help me, thanx.