CAN ANYONE HELP WITH MKS TOOLKIT??

STK

I HAVE VERSION 8.5 FOR INTEROPERABILITY INSTALLED IN MY COMPUTER. WHEN I AM GOING TO INSTALL STAR-CD (I DON'T HAVE MKS FROM ADAPCO) THE SET UP CAN'T FIND NUTINS.DLL THAT IS ALREADY INSTALLED IN SYSTEM32 AND OTHER FOLDERS.WHY CAN'T PROCEED THE INSTALLATION?8.5 VERSION IS MUCH MORE RECENT FROM 8.1 MKS!!!!CAN YOU TELL ME THE NAME AND PLACEMENT OF FOLDER, FROM WHICH THE SET UP READS THE FILES OF MKS TOOLKIT AND AFTERWARDS INSTALLS THEM? THANKS.