>

>IF !directory("c:\ProgramData")
>	MKDIR "c:\ProgramData"
>ENDIF 
>

>
>I receive an error. MKDIR tells me that the directory couldn't be created because there is a sub-directory in it.
>
>Why the directory() function didn't catch it?

My guess is, the directory in question has Hidden or/and System attributes set. I used WSH last time I had to deal with directory like that.

loFso = CREATEOBJECT("Scripting.FileSystemObject")
IF NOT loFso.FolderExists(lcPath)
	loFso.CreateFolder(lcPath)
ENDIF