Could be a security issue. See
here (25th June).
or:
"Looks like there is a problem with you Windows Scripting Host installation. You could download latest WSH from Microsoft - but first might be worth trying to re-register the wshom.ocx module ...
try the following command from "DOS" command line ...(first move to the directory containing the wshom.ocx file then .."regsvr32 wshom.ocx"