http://bugs.winehq.org/show_bug.cgi?id=15895
--- Comment #1 from Elliot murdocke@gmail.com 2008-11-03 02:54:24 --- If I run "wine msiexec /i isscirpt.msi" in the drive_c/windows/temp/_is56oe directory the installer (when executing wine ExpEliteSetup.exe) subsequently installs without any errors.