Ok, so by using this code:

 Code:
; Exit immediatly if IsCitrix is not null
If '%IsCitrix' Quit 0 EndIf


If I put that at the VERY beginning of my KiX script, it will check to see if IsCitrix exists, if it does, the Script is ended, right then and there, before going any further, and if it does NOT exist, the script continues to run normally. Correct?

Ok, one last question, this IsCitrix, is this a Reg Key or what?