Okay, I'm gonna list the script as is. Please tell me where I'm going wrong.
Code:
$exe='program.exe'
$arraycomputers='computer1','computer2','computer3'
For Each $computer in $ArrayComputers
If EnumProcess($exe, , $Computer)
? $computer
EndIf

Now if I change one of the elements in that array to @wksta the script works properly for my system only. I tried running this script with admin privs and still no dice for the other remote machines.