Download Hash.exe (16KB) from http://keir.net/hash.html
. That is a program, with no installer, written by Robin Keir. I've used it for years. Run it and then drag and drop Setupeng.exe onto Hash. The results should be as below. I downloaded Setupeng.exe on 08/18/2009.
Size: 37778896 bytes
File Version: 4.8.1351.0
Modified: Tuesday, August 18, 2009, 10:05:44 AM
Using Hash may save having to download 36MB again, IF the checksums match.