Let's say you want to protect profitable EX4 file

...
You must change
int start() section...
//-------->
int start()
{
if(Year()>2006 || Month()>7)
{
Alert("This EA was expired! Please re-new your licence.");
return(0);
}
// put code here
}
//-------->
It will work from
2006.01 to
2006.07...
THNX
Raff