COM not working on 32-bit W7


I am running the script Convert2PDF.vbs.  Actually, a converted script using AutoHotKey.  What I have runs fine on 64-bit W7 using v1.7.2 of PDFCreator.  However, when I run the same thing on 32-bit W7, I keep getting 'error printing' due to a timeout.  I know for a fact that my wrapper ahk script works fine, and the errors are only happening when COM is trying to print.

Does anyone have any thoughts why this COM function will not work on 32-bit W7 or what I can do to get it working?