Is there a way u can make the macro not activate or set focu

[Is there a way u can make]

Is there a way u can make the macro not activate or set focus, for example Code:
but+ 15 "Notepad"
key Co
If i wanted it to open a file but, without haveing the open file screen pop up and interupt me with something i am doing like, talking on yahoo , can u make it so it doesnt pop up or set focus on that , THANKS