http://bugs.winehq.org/show_bug.cgi?id=4971
------- Additional Comments From truiken@gmail.com 2006-29-08 04:17 ------- Saulius, read the second link from my previous comment:
"The installer runs script custom actions directly and does not use the Windows Script Host." [msdn]
That doesn't mean native MSI doesn't use vbscript.dll, only that it doesn't use vbscript.dll by way of WSH.